Question 1

What is the molecular mass of magnesium hydroxide?

Accepted Answer

63 g/mol

Answer

58 g/mol

Answer

148 g/mol

Answer

18 g/mol

Question 2

What is the molecular mass of nitric acid?

Accepted Answer

63 g/mol

Answer

148 g/mol

Answer

18 g/mol

Question 3

What is the molar ratio between magnesium hydroxide and magnesium nitrate?

Accepted Answer

1:1

Answer

2:3

Answer

2:1

Answer

1:2

Question 4

How much magnesium nitrate salt will be formed by the reaction of 250 g magnesium hydroxide with 250 g nitric acid?

Accepted Answer

293 g

Answer

637 g

Answer

294 g

Answer

638 g

Question 5

How much excess reagent will be left unused after the chemical reaction has stopped?

Accepted Answer

135 g

Answer

116 g

Answer

134 g

Answer

115 g

Question 6

What is the molecular mass of copper (II) nitrate?

Accepted Answer

188 g/mol

Answer

170 g/mol

Answer

64 g

Answer

108 g

Question 7

What is the molecular mass of silver nitrate?

Accepted Answer

170 g/mol

Answer

188 g/mol

Answer

108 g

Answer

64 g

Question 8

What is the molar ratio between silver nitrate and copper (II) nitrate?

Accepted Answer

2:1

Answer

1:1

Answer

2:3

Answer

1:2

Question 9

How much copper (II) nitrate salt will be formed by the reaction of 180 g of AgNO3 with 140 g of Cu?

Accepted Answer

99 g

Answer

411 g

Answer

100 g

Answer

412 g

Question 10

How much excess reagent will be left unused after the chemical reaction has stopped?

Accepted Answer

106 g

Answer

107 g

Answer

33 g

Answer

34 g

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