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 260: molar mass=44 g/mol. Mass of 2.25 mol is:

A. 98 g

B. 99 g

C. 101 g

D. 100 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 259: molar mass=18 g/mol. Mass of 2 mol is:

A. 35 g

B. 37 g

C. 36 g

D. 38 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 258: molar mass=98 g/mol. Mass of 1.75 mol is:

A. 154.3 g

B. 171.5 g

C. 172.5 g

D. 188.7 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 257: molar mass=40 g/mol. Mass of 1.5 mol is:

A. 60 g

B. 62 g

C. 61 g

D. 59 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 256: molar mass=17 g/mol. Mass of 1.25 mol is:

A. 21.25 g

B. 23.3 g

C. 19.1 g

D. 22.2 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 255: molar mass=16 g/mol. Mass of 1 mol is:

A. 18 g

B. 17 g

C. 16 g

D. 15 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 254: molar mass=58.5 g/mol. Mass of 0.75 mol is:

A. 43.875 g

B. 39.5 g

C. 48.3 g

D. 44.9 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 253: molar mass=44 g/mol. Mass of 0.5 mol is:

A. 22 g

B. 24 g

C. 21 g

D. 23 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 252: molar mass=18 g/mol. Mass of 0.25 mol is:

A. 4 g

B. 4.5 g

C. 5.5 g

D. 5 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 251: molar mass=98 g/mol. Mass of 3 mol is:

A. 294 g

B. 293 g

C. 296 g

D. 295 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 250: molar mass=40 g/mol. Mass of 2.75 mol is:

A. 109 g

B. 111 g

C. 110 g

D. 112 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 249: molar mass=17 g/mol. Mass of 2.5 mol is:

A. 42.5 g

B. 38.2 g

C. 46.8 g

D. 43.5 g

Correct Answer: A

m=nM.

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

Stoichiometry practice 248: molar mass=16 g/mol. Mass of 2.25 mol is:

A. 35 g

B. 37 g

C. 38 g

D. 36 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 247: molar mass=58.5 g/mol. Mass of 2 mol is:

A. 116 g

B. 117 g

C. 118 g

D. 119 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 246: molar mass=44 g/mol. Mass of 1.75 mol is:

A. 76 g

B. 79 g

C. 78 g

D. 77 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 245: molar mass=18 g/mol. Mass of 1.5 mol is:

A. 28 g

B. 27 g

C. 29 g

D. 26 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 244: molar mass=98 g/mol. Mass of 1.25 mol is:

A. 110.2 g

B. 123.5 g

C. 122.5 g

D. 134.8 g

Correct Answer: C

m=nM.

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

Stoichiometry practice 243: molar mass=40 g/mol. Mass of 1 mol is:

A. 41 g

B. 40 g

C. 39 g

D. 42 g

Correct Answer: B

m=nM.

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

Stoichiometry practice 242: molar mass=17 g/mol. Mass of 0.75 mol is:

A. 11.5 g

B. 14.1 g

C. 13.8 g

D. 12.75 g

Correct Answer: D

m=nM.

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

Stoichiometry practice 241: molar mass=16 g/mol. Mass of 0.5 mol is:

A. 10 g

B. 7 g

C. 9 g

D. 8 g

Correct Answer: D

m=nM.

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