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 280: molar mass=18 g/mol. Mass of 1.25 mol is:

A. 23.5 g

B. 22.5 g

C. 20.2 g

D. 24.8 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 279: molar mass=98 g/mol. Mass of 1 mol is:

A. 97 g

B. 100 g

C. 99 g

D. 98 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 278: molar mass=40 g/mol. Mass of 0.75 mol is:

A. 29 g

B. 31 g

C. 32 g

D. 30 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 277: molar mass=17 g/mol. Mass of 0.5 mol is:

A. 9.4 g

B. 9.5 g

C. 8.5 g

D. 7.7 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 276: molar mass=16 g/mol. Mass of 0.25 mol is:

A. 4 g

B. 3 g

C. 5 g

D. 6 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 275: molar mass=58.5 g/mol. Mass of 3 mol is:

A. 158 g

B. 193.1 g

C. 175.5 g

D. 176.5 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 274: molar mass=44 g/mol. Mass of 2.75 mol is:

A. 120 g

B. 123 g

C. 121 g

D. 122 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 273: molar mass=18 g/mol. Mass of 2.5 mol is:

A. 44 g

B. 47 g

C. 46 g

D. 45 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 272: molar mass=98 g/mol. Mass of 2.25 mol is:

A. 220.5 g

B. 242.6 g

C. 221.5 g

D. 198.5 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 271: molar mass=40 g/mol. Mass of 2 mol is:

A. 79 g

B. 81 g

C. 82 g

D. 80 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 270: molar mass=17 g/mol. Mass of 1.75 mol is:

A. 26.8 g

B. 30.8 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 269: molar mass=16 g/mol. Mass of 1.5 mol is:

A. 25 g

B. 24 g

C. 23 g

D. 26 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 268: molar mass=58.5 g/mol. Mass of 1.25 mol is:

A. 74.1 g

B. 80.4 g

C. 73.125 g

D. 65.8 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 267: molar mass=44 g/mol. Mass of 1 mol is:

A. 44 g

B. 46 g

C. 43 g

D. 45 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 266: molar mass=18 g/mol. Mass of 0.75 mol is:

A. 14.5 g

B. 13.5 g

C. 12.2 g

D. 14.9 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 265: molar mass=98 g/mol. Mass of 0.5 mol is:

A. 51 g

B. 48 g

C. 49 g

D. 50 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 264: molar mass=40 g/mol. Mass of 0.25 mol is:

A. 9 g

B. 10 g

C. 12 g

D. 11 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 263: molar mass=17 g/mol. Mass of 3 mol is:

A. 51 g

B. 50 g

C. 52 g

D. 53 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 262: molar mass=16 g/mol. Mass of 2.75 mol is:

A. 45 g

B. 44 g

C. 46 g

D. 43 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 261: molar mass=58.5 g/mol. Mass of 2.5 mol is:

A. 146.25 g

B. 160.8 g

C. 131.6 g

D. 147.2 g

Correct Answer: A

m=nM.

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