Gram-mole conversions

1.

Multiple Choice

5 mins

1 pt

What is the molar mass of Hydrogen Peroxide (H₂O₂)?

48 g/mole

34.02 g/mole

36.5 g/mole

35.5 g/mole

2.

Multiple Choice

5 mins

1 pt

How many moles are in 16.94g of water?

16.94 mol H₂O

0.9401 mol H₂O

305.3 mol H₂O

1.063 mol H₂O

3.

Multiple Choice

5 mins

1 pt

What is the mass in grams of 5.90 mol C₈H_18?

.0512 g

19.4 g

673 g

389 g

4.

Multiple Choice

5 mins

1 pt

How many moles are in 19.82 g Mg?

1.226mol Mg

481.7mol Mg

1.000mol Mg

0.8156 mol Mg

5.

Multiple Choice

5 mins

1 pt

Determine the molar mass for carbon tetrachoride (CCl₄)

153.823 g/mol

118.37 g/mol

189.35 g/mol

47.464 g/mol

6.

Multiple Choice

5 mins

1 pt

What is the mass in grams of 2.3456 moles of W?

431.22 grams

6.02 grams

207.2 grams

486.01 grams

7.

Multiple Choice

5 mins

1 pt

How many moles are in 1459 grams of Na?

63.46 moles

60.36 moles

10 moles

1 mole

8.

Multiple Choice

5 mins

1 pt

What is the molar mass of one mole of HCl?

79.92 grams per mole of HCl

36.46 grams per mole of HCl

35.45 grams per mole of HCl

1.01 grams per mole of HCl

9.

Multiple Choice

5 mins

1 pt

What is the molar mass of (NH₄)₂CO₃ ?

144.0g/mol

138.0 g/mol

96.1 g/mol

78.1 g/mol

10.

Multiple Choice

5 mins

1 pt

How many moles are in 98.3 g of Aluminum Hydroxide (Al(OH)₃)?

78.0 mol

1.30 mol

6.60 mol

5.90 mol

11.

Multiple Choice

5 mins

1 pt

How many moles are in 20g of potassium (K)?

782 mol

512 mol

0.512 mol

0.023 mol

12.

Multiple Choice

5 mins

1 pt

How many grams are in 0.375 mol KBr

39,10 g

44.625 g

0.003 g

56.525 g

13.

Multiple Choice

5 mins

1 pt

How many moles are in 10 g of salt (NaCl)?

0.171 mol

0.086 mol

3.42 mol

58.45 mol

14.

Multiple Choice

15 mins

1 pt

A can of Coke has 39g of sugar. The formula for table sugar is C₁₂H₂₂O₁₁. How many moles of sugar is in a can of Coke?

0.414 mol

0.314 mol

0.214 mol

0.114 mol

15.

Multiple Choice

5 mins

1 pt

What is the molar mass of Al₂S₃?

150.17 g/mol

59.05 g/mol

138.23 g/mol

75.27 g/mol

16.

Multiple Choice

5 mins

1 pt

How many moles are equal to 89.23 g of calcium oxide, CaO?

1.59 mol

2.03 mol

1.77 mol

3.21 mol

17.

Multiple Choice

5 mins

1 pt

How many grams are in 0.523 mol of AlPO₄?

63.78 g

38.68 g

47.23 g

55.43 g

18.

Multiple Choice

5 mins

1 pt

How many grams are equal to 0.11 mole of copper (I) chromate, Cu₂(CrO₄)?

26.74 g

19.75 g

39.50 g

13.69 g

19.

Multiple Choice

5 mins

1 pt

How many moles are in 100 g of carbon dioxide, CO₂?

2.27 mol

2.36 mol

3.51 mol

1.49 mol

20.

Multiple Choice

5 mins

1 pt

A baker needs 6 g of baking soda for a recipe. The chemical formula for baking soda is NaHCO₃. How many moles of baking soda is needed?

0.071 mol

0.167 mol

0.273 mol

0.214 mol

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