Moles Gizmos Student Worksheet - Kelly Hartnett | Library

1

How many of EACH item?

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Would a dozen of each object have the same mass (e.g., would a dozen eggs have the same mass as a dozen roses)?

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Answer and explain your answer.

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What is the average mass of a copper atom? INCLUDE UNITS.

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How many atoms did you need to add?

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How many atoms did you need to add?

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How many atoms did you need to add for carbon?

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How many atoms did you need to add for sulfur?

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How many atoms did you need to add for aluminum?

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What do you notice about the number of atoms in one mole?

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What is the exact value of the Avogadro constant (to 5 significant figures)?

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What is the Avogadro constant in standard form?

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What is the atomic mass of sulfur? SHOW UNITS.

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What is the molar mass of sulfur? SHOW UNITS.

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What is the atomic mass of aluminum? SHOW UNITS.

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What is the molar mass of aluminum? SHOW UNITS.

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What is the formula mass of Cu2O?SHOW UNITS.

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How many formula units did you need to add?

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What was your compound and how many particles did you need to add?

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Fill in the blank.

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Fill in the blank.

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How many atoms in a FeCl2 formula unit?

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How many Cl atoms are there in a single FeCl2 formula unit?

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Mass of an Fe atom? SHOW UNITS.

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Mass of a Cl atom? SHOW UNITS.

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Sum of the masses of one iron and two chlorine atoms? SHOW UNITS.

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Is the sum of the individual masses the same as the formula mass?

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How many moles of copper are needed to make one mole of copper(IV) oxide? SHOW UNITS.

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How many grams of copper would you need for one mole of copper(IV) oxide? SHOW UNITS.

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How many grams of oxygen would you need for one mole of copper(IV) oxide? SHOW UNITS.

0

What else do the subscripts in a formula tell us?

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What do you need to know?

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What is the molar mass of carbon? SHOW UNITS.

0

Predict the mass of 2.000 moles of carbon.

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What is the actual mass of 2.000 moles of carbon? SHOW UNITS.

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How many mole jars do you THINK can be filled with this amount?

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Were you close?

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How many mole jars do you THINK can be filled with this amount of FeCl2?

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What is the value? SHOW UNITS.

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How did you convert moles to grams?

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How did you convert grams to moles?

0

How many atoms do you think this amount represents?

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How many atoms are there? SHOW UNITS.

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How can you calculate this value?

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Is the amount more or less than one mole?

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Was the jar completely filled?

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How many moles do you have? SHOW UNITS.

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Calculate the number of moles. SHOW UNITS.

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Were you correct?

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Is the method the same?

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How do you convert moles to atoms/molecules/formula units?

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How do you convert atoms/molecules/formula units to moles?

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What is the number of grams? SHOW UNITS.

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What do you need to find first?

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How do you convert from atoms to grams?

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What is the starting unit?

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What is the answer unit?

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What do you need to know to find the mass of 3.00 moles of carbon?

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What is the numerical result? SHOW UNITS.

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Is this answer reasonable?

0

Did you solve the problem correctly?

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95.0 g Al = ? mol Al (SHOW UNITS)

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2.10 mol FeCl2 = ? formula units FeCl2 (SHOW UNITS)

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What information do you need?

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How many atoms are in a single formula unit of FeCl2?

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Solve the problem. SHOW UNITS.

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Solve the problem. SHOW UNITS.

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Solve the problem. SHOW UNITS.

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Solve the problem. SHOW UNITS.

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