Basic Chemistry and Atomic Structure MCQs with Answers

Basic Chemistry and Atomic Structure

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CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 200: molar mass=17 g/mol. Mass of 2.25 mol is:

A. 42 g

B. 34.4 g

C. 39.2 g

D. 38.25 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 199: molar mass=16 g/mol. Mass of 2 mol is:

A. 33 g

B. 31 g

C. 34 g

D. 32 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 198: molar mass=58.5 g/mol. Mass of 1.75 mol is:

A. 112.6 g

B. 103.4 g

C. 92.2 g

D. 102.375 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 197: molar mass=44 g/mol. Mass of 1.5 mol is:

A. 68 g

B. 65 g

C. 67 g

D. 66 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 196: molar mass=18 g/mol. Mass of 1.25 mol is:

A. 20.2 g

B. 24.8 g

C. 23.5 g

D. 22.5 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 195: molar mass=98 g/mol. Mass of 1 mol is:

A. 99 g

B. 100 g

C. 98 g

D. 97 g

Correct Answer: C

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 194: molar mass=40 g/mol. Mass of 0.75 mol is:

A. 29 g

B. 32 g

C. 30 g

D. 31 g

Correct Answer: C

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 193: molar mass=17 g/mol. Mass of 0.5 mol is:

A. 8.5 g

B. 7.7 g

C. 9.5 g

D. 9.4 g

Correct Answer: A

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 192: molar mass=16 g/mol. Mass of 0.25 mol is:

A. 6 g

B. 5 g

C. 3 g

D. 4 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 191: molar mass=58.5 g/mol. Mass of 3 mol is:

A. 176.5 g

B. 158 g

C. 175.5 g

D. 193.1 g

Correct Answer: C

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 190: molar mass=44 g/mol. Mass of 2.75 mol is:

A. 122 g

B. 123 g

C. 120 g

D. 121 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 189: molar mass=18 g/mol. Mass of 2.5 mol is:

A. 46 g

B. 45 g

C. 47 g

D. 44 g

Correct Answer: B

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 188: molar mass=98 g/mol. Mass of 2.25 mol is:

A. 221.5 g

B. 242.6 g

C. 198.5 g

D. 220.5 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 187: molar mass=40 g/mol. Mass of 2 mol is:

A. 82 g

B. 81 g

C. 79 g

D. 80 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 186: molar mass=17 g/mol. Mass of 1.75 mol is:

A. 30.8 g

B. 26.8 g

C. 32.8 g

D. 29.75 g

Correct Answer: D

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

Stoichiometry practice 185: molar mass=16 g/mol. Mass of 1.5 mol is:

A. 23 g

B. 24 g

C. 26 g

D. 25 g

Correct Answer: B

m=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

What mass corresponds to 5 mol of NH3 if molar mass is 17 g/mol?

A. 87 g

B. 84 g

C. 86 g

D. 85 g

Correct Answer: D

Mass=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

What mass corresponds to 3 mol of NH3 if molar mass is 17 g/mol?

A. 53 g

B. 50 g

C. 52 g

D. 51 g

Correct Answer: D

Mass=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

What mass corresponds to 2 mol of NH3 if molar mass is 17 g/mol?

A. 35 g

B. 33 g

C. 36 g

D. 34 g

Correct Answer: D

Mass=nM.

CSS - PMS - CCE - PCS - Everyday Science Basic Chemistry and Atomic Structure

What mass corresponds to 1 mol of NH3 if molar mass is 17 g/mol?

A. 16 g

B. 18 g

C. 19 g

D. 17 g

Correct Answer: D

Mass=nM.

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