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23 Limiting reactants 1

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Posljednje ažuriranje almost 5 years ago
24 questions

We are going to practice the first step at identifying limiting reactants. That is, finding the theoretical yield of each reactant available. These will be straight stoichiometry problems. Please show work for both reactants.

1. How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas?

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2. Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2.

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3. 5L of nitrogen gas reacts with 8L of hydrogen gas to produce ammonia. How many liters of ammonia will be produced?

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4. If 90.0 grams of sodium is dropped into 40.0 grams of water, what is the theoretical yield of hydrogen gas in grams?

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5. What is the yield of copper carbonate in grams if 41.5 grams of copper sulfate react with 37.8 grams of sodium carbonate?

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6. When sodium hydroxide reacts with sulfuric acid, water and sodium sulfate are the products. What is the mass of sodium sulfate that is produced when 12.5 g of sodium hydroxide react with 42.7 g of sulfuric acid?

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7. What is the yield of aluminum hydroxide in grams if 35 grams of aluminum oxide react with 50 grams of water?

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Pitanje 1
1.

How many moles from hydrogen? Use the balanced equation 2H2 + O2 --> 2H2O

Pitanje 2
2.

How many moles form oxygen? Use the balanced equation 2H2 + O2 --> 2H2O

Pitanje 3
3.

Which will produce less?

Pitanje 4
4.

From hydrogen..Use the balanced equation for water production.

Pitanje 5
5.

From oxygen..Use the balanced equation for water production.

Pitanje 6
6.

Which will produce less?

Pitanje 7
7.

From Nitrogen Use the balanced equation N2 + 3H2 --> 2NH3

Pitanje 8
8.

From hydrogen Use the balanced equation N2 + 3H2 --> 2NH3

Pitanje 9
9.

Which produces less (your limiting reactant)?

Pitanje 10
10.

How much from sodium? Use the balanced equation 2Na + 2H2O --> H2 + 2NaOH

Pitanje 11
11.

How much from water? Use the balanced equation 2Na + 2H2O --> H2 + 2NaOH

Pitanje 12
12.

Which is used up completely? (your limiting reactant)

Pitanje 13
13.

How much from copper sulfate? Use the balanced equation CuSO4 + Na2CO3 --> CuCO3 + Na2SO4

Pitanje 14
14.

How much from sodium bicarbonate? Balance the equation CuSO4 + Na2CO3 --> CuCO3 + Na2SO4

Pitanje 15
15.

What is your limiting reactant?

Pitanje 16
16.

Write the balanced equation and to obtain the mole ratio. Leave a space after any coefficients, substances,or plus signs, don't type ones and use the keyboard for yield arrow and subscripts to get immediate feedback on your balanced equation.

Pitanje 17
17.

How much will the sodium hydroxide available produce?

Pitanje 18
18.

How much will the sulfuric acid available produce?

Pitanje 19
19.

Which is the limiting reactant?

Pitanje 20
20.

And now, the answer to the orginial question: What is the mass of sodium sulfate that is produced when 12.5 g of sodium hydroxide react with 42.7 g of sulfuric acid?

Pitanje 21
21.

Write the balanced equation and use it for the mole ratio.

Pitanje 22
22.

What is the yield of aluminum hydroxide in grams if 35 grams of aluminum oxide is used up?

Pitanje 23
23.

What is the yield of aluminum hydroxide in grams if 50 grams of water is used up?

Pitanje 24
24.

And now the answer to the original question: What is the yield of aluminum hydroxide in grams if 35 grams of aluminum oxide react with 50 grams of water?