Chapter 3 Review Calculations

6

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of iron in the new compound? (Please include correct number of significant figures and units in your answer).

6

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of oxygen in the new compound? (Please include correct number of significant figures and units in your answer).

6

Sodium and bromine combine together to form sodium bromide. If 22.4% of the compound is sodium, how much sodium would be in a 78.56 gram sample of sodium bromide? (Please include correct number of significant figures and units in your answer).

6

Lithium phosphide is the combination of lithium and phosphorus to form a new compound. If 40.0% of lithium phosphide is lithium, what is the total mass produced if 8.854 grams of lithium is used to produce lithium phosphide. (Please include correct number of significant figures and units in your answer).

6

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the hydrogen? (Please include correct number of significant figures and units in your answer).

6

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the oxygen? (Please include correct number of significant figures and units in your answer).

6

A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 grams. What is its density? (Please include correct number of significant figures and units in your answer).

6

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder has a mass of 306.0 grams. What is the density of the mercury? (Please include correct number of significant figures and units in your answer).

6

What is the mass of ethanol, density of ethanol is 0.789 g/mL, which fills a graduated cylinder to 200.0 mL mark. (Please include correct number of significant figures and units in your answer).

4

Magnesium + Oxygen ------> Magnesium Oxide
? g + 48.0 g -----> 120.0 g
What is the mass of the magnesium in the reactants?

4

Given the chemical equation K + I --> KI.
If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

4

Chapter 3 Review Calculations

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of iron in the new compound? (Please include correct number of significant figures and units in your answer).

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of oxygen in the new compound? (Please include correct number of significant figures and units in your answer).

Sodium and bromine combine together to form sodium bromide. If 22.4% of the compound is sodium, how much sodium would be in a 78.56 gram sample of sodium bromide? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the hydrogen? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the oxygen? (Please include correct number of significant figures and units in your answer).

A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 grams. What is its density? (Please include correct number of significant figures and units in your answer).

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder has a mass of 306.0 grams. What is the density of the mercury? (Please include correct number of significant figures and units in your answer).

What is the mass of ethanol, density of ethanol is 0.789 g/mL, which fills a graduated cylinder to 200.0 mL mark. (Please include correct number of significant figures and units in your answer).

Magnesium + Oxygen ------> Magnesium Oxide
? g + 48.0 g -----> 120.0 g
What is the mass of the magnesium in the reactants?

Given the chemical equation K + I --> KI.
If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

Given the chemical equation K + I --> KI.

Magnesium + Oxygen ------> Magnesium Oxide
12.15 g + 8.00 g -----> ________ g
What is the mass of the magnesium oxide?

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of iron in the new compound? (Please include correct number of significant figures and units in your answer).

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of oxygen in the new compound? (Please include correct number of significant figures and units in your answer).

Sodium and bromine combine together to form sodium bromide. If 22.4% of the compound is sodium, how much sodium would be in a 78.56 gram sample of sodium bromide? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the hydrogen? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the oxygen? (Please include correct number of significant figures and units in your answer).

A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 grams. What is its density? (Please include correct number of significant figures and units in your answer).

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder has a mass of 306.0 grams. What is the density of the mercury? (Please include correct number of significant figures and units in your answer).

What is the mass of ethanol, density of ethanol is 0.789 g/mL, which fills a graduated cylinder to 200.0 mL mark. (Please include correct number of significant figures and units in your answer).

Magnesium + Oxygen ------> Magnesium Oxide
? g + 48.0 g -----> 120.0 g
What is the mass of the magnesium in the reactants?

Given the chemical equation K + I --> KI.
If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

Given the chemical equation K + I --> KI.

Magnesium + Oxygen ------> Magnesium Oxide
12.15 g + 8.00 g -----> ________ g
What is the mass of the magnesium oxide?

Chapter 3 Review Calculations

Chapter 3 Review Calculations

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of iron in the new compound? (Please include correct number of significant figures and units in your answer).

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of oxygen in the new compound? (Please include correct number of significant figures and units in your answer).

Sodium and bromine combine together to form sodium bromide. If 22.4% of the compound is sodium, how much sodium would be in a 78.56 gram sample of sodium bromide? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the hydrogen? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the oxygen? (Please include correct number of significant figures and units in your answer).

A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 grams. What is its density? (Please include correct number of significant figures and units in your answer).

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder has a mass of 306.0 grams. What is the density of the mercury? (Please include correct number of significant figures and units in your answer).

What is the mass of ethanol, density of ethanol is 0.789 g/mL, which fills a graduated cylinder to 200.0 mL mark. (Please include correct number of significant figures and units in your answer).

Magnesium + Oxygen ------> Magnesium Oxide? g + 48.0 g -----> 120.0 gWhat is the mass of the magnesium in the reactants?

Given the chemical equation K + I --> KI. If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

Given the chemical equation K + I --> KI.

Magnesium + Oxygen ------> Magnesium Oxide12.15 g + 8.00 g -----> ________ gWhat is the mass of the magnesium oxide?

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of iron in the new compound? (Please include correct number of significant figures and units in your answer).

A chemist determines that 2.52 g of iron reacts with 1.08 g of oxygen to form rust. What is the percent composition of oxygen in the new compound? (Please include correct number of significant figures and units in your answer).

Sodium and bromine combine together to form sodium bromide. If 22.4% of the compound is sodium, how much sodium would be in a 78.56 gram sample of sodium bromide? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the hydrogen? (Please include correct number of significant figures and units in your answer).

1.23 grams of hydrogen is combined with 10.99 grams of oxygen to form water. What percent of water is the oxygen? (Please include correct number of significant figures and units in your answer).

A block of aluminum occupies a volume of 15.0 mL and has a mass of 40.5 grams. What is its density? (Please include correct number of significant figures and units in your answer).

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder has a mass of 306.0 grams. What is the density of the mercury? (Please include correct number of significant figures and units in your answer).

What is the mass of ethanol, density of ethanol is 0.789 g/mL, which fills a graduated cylinder to 200.0 mL mark. (Please include correct number of significant figures and units in your answer).

Magnesium + Oxygen ------> Magnesium Oxide? g + 48.0 g -----> 120.0 gWhat is the mass of the magnesium in the reactants?

Given the chemical equation K + I --> KI. If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

Given the chemical equation K + I --> KI.

Magnesium + Oxygen ------> Magnesium Oxide12.15 g + 8.00 g -----> ________ gWhat is the mass of the magnesium oxide?

Magnesium + Oxygen ------> Magnesium Oxide
? g + 48.0 g -----> 120.0 g
What is the mass of the magnesium in the reactants?

Given the chemical equation K + I --> KI.
If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

Magnesium + Oxygen ------> Magnesium Oxide
12.15 g + 8.00 g -----> ________ g
What is the mass of the magnesium oxide?

Magnesium + Oxygen ------> Magnesium Oxide
? g + 48.0 g -----> 120.0 g
What is the mass of the magnesium in the reactants?

Given the chemical equation K + I --> KI.
If K has a mass of 8.88 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

Magnesium + Oxygen ------> Magnesium Oxide
12.15 g + 8.00 g -----> ________ g
What is the mass of the magnesium oxide?