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Moles Gizmos Student Worksheet

Posljednje ažuriranje over 5 years ago

70

Napomena autora:

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

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Pitanje 1

1.

How many of EACH item?

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Pitanje 2

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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Pitanje 3

3.

Answer and explain your answer.

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Pitanje 4

4.

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

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Pitanje 64

64.

What information do you need?

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Pitanje 5

5.

How many atoms did you need to add?

Pitanje 6

6.

How many atoms did you need to add?

Pitanje 7

7.

How many atoms did you need to add for carbon?

Pitanje 8

8.

How many atoms did you need to add for sulfur?

Pitanje 9

9.

How many atoms did you need to add for aluminum?

Pitanje 10

10.

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

Pitanje 11

11.

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

Pitanje 12

12.

What is the Avogadro constant in standard form?

Pitanje 13

13.

What is the atomic mass of sulfur? SHOW UNITS.

Pitanje 14

14.

What is the molar mass of sulfur? SHOW UNITS.

Pitanje 15

15.

What is the atomic mass of aluminum? SHOW UNITS.

Pitanje 16

16.

What is the molar mass of aluminum? SHOW UNITS.

Pitanje 17

17.

What is the formula mass of Cu₂O?SHOW UNITS.

Pitanje 18

18.

How many formula units did you need to add?

Pitanje 19

19.

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

Pitanje 20

20.

Fill in the blank.

Pitanje 21

21.

Fill in the blank.

Pitanje 22

22.

How many atoms in a FeCl_² formula unit?

Pitanje 23

23.

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

Pitanje 24

24.

Mass of an Fe atom? SHOW UNITS.

Pitanje 25

25.

Mass of a Cl atom? SHOW UNITS.

Pitanje 26

26.

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

Pitanje 27

27.

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

Pitanje 28

28.

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

Pitanje 29

29.

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

Pitanje 30

30.

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

Pitanje 31

31.

What else do the subscripts in a formula tell us?

Pitanje 32

32.

What do you need to know?

Pitanje 33

33.

What is the molar mass of carbon? SHOW UNITS.

Pitanje 34

34.

Predict the mass of 2.000 moles of carbon.

Pitanje 35

35.

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

Pitanje 36

36.

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

Pitanje 37

37.

Were you close?

Pitanje 38

38.

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

Pitanje 39

39.

What is the value? SHOW UNITS.

Pitanje 40

40.

How did you convert moles to grams?

Pitanje 41

41.

How did you convert grams to moles?

Pitanje 42

42.

How many atoms do you think this amount represents?

Pitanje 43

43.

How many atoms are there? SHOW UNITS.

Pitanje 44

44.

How can you calculate this value?

Pitanje 45

45.

Is the amount more or less than one mole?

Pitanje 46

46.

Was the jar completely filled?

Pitanje 47

47.

How many moles do you have? SHOW UNITS.

Pitanje 48

48.

Calculate the number of moles. SHOW UNITS.

Pitanje 49

49.

Were you correct?

Pitanje 50

50.

Is the method the same?

Pitanje 51

51.

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

Pitanje 52

52.

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

Pitanje 53

53.

What is the number of grams? SHOW UNITS.

Pitanje 54

54.

What do you need to find first?

Pitanje 55

55.

How do you convert from atoms to grams?

Pitanje 56

56.

What is the starting unit?

Pitanje 57

57.

What is the answer unit?

Pitanje 58

58.

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

Pitanje 59

59.

What is the numerical result? SHOW UNITS.

Pitanje 60

60.

Is this answer reasonable?

Pitanje 61

61.

Did you solve the problem correctly?

Pitanje 62

62.

95.0 g Al = ? mol Al (SHOW UNITS)

Pitanje 63

63.

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

Pitanje 65

65.

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

Pitanje 66

66.

Solve the problem. SHOW UNITS.

Pitanje 67

67.

Solve the problem. SHOW UNITS.

Pitanje 68

68.

Solve the problem. SHOW UNITS.

Pitanje 69

69.

Solve the problem. SHOW UNITS.

Pitanje 70

70.

Solve the problem. SHOW UNITS.