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Moles Gizmos Student Worksheet

Last updated over 5 years ago

70 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

This is a GoFormative version of the worksheet associated with the Moles Gizmos activity.

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1.

How many of EACH item?

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2.

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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3.

Answer and explain your answer.

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64.

What information do you need?

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4.

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

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5.

How many atoms did you need to add?

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6.

How many atoms did you need to add?

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7.

How many atoms did you need to add for carbon?

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8.

How many atoms did you need to add for sulfur?

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9.

How many atoms did you need to add for aluminum?

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10.

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

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11.

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

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12.

What is the Avogadro constant in standard form?

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13.

What is the atomic mass of sulfur? SHOW UNITS.

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14.

What is the molar mass of sulfur? SHOW UNITS.

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15.

What is the atomic mass of aluminum? SHOW UNITS.

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16.

What is the molar mass of aluminum? SHOW UNITS.

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17.

What is the formula mass of Cu₂O?SHOW UNITS.

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18.

How many formula units did you need to add?

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19.

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

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20.

Fill in the blank.

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21.

Fill in the blank.

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22.

How many atoms in a FeCl_² formula unit?

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23.

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

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24.

Mass of an Fe atom? SHOW UNITS.

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25.

Mass of a Cl atom? SHOW UNITS.

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26.

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

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27.

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

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28.

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

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29.

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

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30.

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

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31.

What else do the subscripts in a formula tell us?

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32.

What do you need to know?

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33.

What is the molar mass of carbon? SHOW UNITS.

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34.

Predict the mass of 2.000 moles of carbon.

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35.

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

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36.

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

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37.

Were you close?

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38.

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

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39.

What is the value? SHOW UNITS.

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40.

How did you convert moles to grams?

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41.

How did you convert grams to moles?

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42.

How many atoms do you think this amount represents?

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43.

How many atoms are there? SHOW UNITS.

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44.

How can you calculate this value?

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45.

Is the amount more or less than one mole?

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46.

Was the jar completely filled?

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47.

How many moles do you have? SHOW UNITS.

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48.

Calculate the number of moles. SHOW UNITS.

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49.

Were you correct?

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50.

Is the method the same?

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51.

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

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52.

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

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53.

What is the number of grams? SHOW UNITS.

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54.

What do you need to find first?

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55.

How do you convert from atoms to grams?

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56.

What is the starting unit?

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57.

What is the answer unit?

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58.

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

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59.

What is the numerical result? SHOW UNITS.

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60.

Is this answer reasonable?

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61.

Did you solve the problem correctly?

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62.

95.0 g Al = ? mol Al (SHOW UNITS)

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63.

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

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65.

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

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66.

Solve the problem. SHOW UNITS.

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67.

Solve the problem. SHOW UNITS.

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68.

Solve the problem. SHOW UNITS.

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69.

Solve the problem. SHOW UNITS.

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70.

Solve the problem. SHOW UNITS.