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 240: molar mass=58.5 g/mol. Mass of 0.25 mol is:

A. 16.1 g

B. 14.625 g

C. 13.1 g

D. 15.6 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 239: molar mass=44 g/mol. Mass of 3 mol is:

A. 133 g

B. 134 g

C. 132 g

D. 131 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 238: molar mass=18 g/mol. Mass of 2.75 mol is:

A. 49.5 g

B. 44.6 g

C. 54.5 g

D. 50.5 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 237: molar mass=98 g/mol. Mass of 2.5 mol is:

A. 247 g

B. 244 g

C. 246 g

D. 245 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 236: molar mass=40 g/mol. Mass of 2.25 mol is:

A. 90 g

B. 92 g

C. 89 g

D. 91 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 235: molar mass=17 g/mol. Mass of 2 mol is:

A. 35 g

B. 34 g

C. 33 g

D. 36 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 234: molar mass=16 g/mol. Mass of 1.75 mol is:

A. 28 g

B. 30 g

C. 29 g

D. 27 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 233: molar mass=58.5 g/mol. Mass of 1.5 mol is:

A. 87.75 g

B. 88.8 g

C. 96.6 g

D. 79 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 232: molar mass=44 g/mol. Mass of 1.25 mol is:

A. 55 g

B. 56 g

C. 57 g

D. 54 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 231: molar mass=18 g/mol. Mass of 1 mol is:

A. 18 g

B. 19 g

C. 17 g

D. 20 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 230: molar mass=98 g/mol. Mass of 0.75 mol is:

A. 73.5 g

B. 80.9 g

C. 74.5 g

D. 66.2 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 229: molar mass=40 g/mol. Mass of 0.5 mol is:

A. 19 g

B. 22 g

C. 20 g

D. 21 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 228: molar mass=17 g/mol. Mass of 0.25 mol is:

A. 4.6 g

B. 5.2 g

C. 4.25 g

D. 3.8 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 227: molar mass=16 g/mol. Mass of 3 mol is:

A. 47 g

B. 50 g

C. 48 g

D. 49 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 226: molar mass=58.5 g/mol. Mass of 2.75 mol is:

A. 160.875 g

B. 144.8 g

C. 177 g

D. 161.9 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 225: molar mass=44 g/mol. Mass of 2.5 mol is:

A. 112 g

B. 111 g

C. 110 g

D. 109 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 224: molar mass=18 g/mol. Mass of 2.25 mol is:

A. 40.5 g

B. 36.5 g

C. 44.6 g

D. 41.5 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 223: molar mass=98 g/mol. Mass of 2 mol is:

A. 197 g

B. 195 g

C. 196 g

D. 198 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 222: molar mass=40 g/mol. Mass of 1.75 mol is:

A. 72 g

B. 71 g

C. 70 g

D. 69 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 221: molar mass=17 g/mol. Mass of 1.5 mol is:

A. 25.5 g

B. 26.5 g

C. 22.9 g

D. 28.1 g

Correct Answer: A

m=nM.

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