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Question

One mole of ________ contains the largest number of atoms.

a) S8

b) C10 H8

c) Al2

(SO4)3

d) Na3 PO4

e) Cl2


S8 = 32.06 x 8 = 256.48

C10 H8 = (12.01x10) + (1.01x8) = 128.18

Al2 (SO4)3 = (26.98x2) + ((32.06 + (16x4)3) = 342.14

Na3 PO4 = (22.99 x3) + 30.97 + (16.00 x 4) = 163.94

Cl2 = 35.45 x 2 = 70.90


I believe the correct answer is C but I seen a post stating the correct answer is B. The person received 100% with B as the answer. Can you please confirm. Maybe I'm not doing the math correctly.

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