How many moles of chlorine (Cl) atoms are in a sample of 1.72 * 1022 atoms?

a. 0.0286 mol Cl

b. 35.0 mol Cl

c. 1.03 * 1023 mol Cl

d. 1.04 * 1046 mol Cl

Question

Chemistry

Phillip Hebert

14 November, 15:23

How many moles of chlorine (Cl) atoms are in a sample of 1.72 * 1022 atoms?

a. 0.0286 mol Cl

b. 35.0 mol Cl

c. 1.03 * 1023 mol Cl

d. 1.04 * 1046 mol Cl

+5

Answers (1)

Know the Answer?

Hugh Thornton · Answer 1

0.0286 mol Cl

Explanation:

to convert atoms to moles, we need Avogadro's number.

1 mol = 6.02 x 10^23 atoms

1.72 x 10^22 atoms (1 mol / 6.02 x 10^23) = 0.0286 moles

How many moles of chlorine (Cl) atoms are in a sample of 1.72 * 1022 atoms?a. 0.0286 mol Clb. 35.0 mol Clc. 1.03 * 1023 mol Cld. 1.04 * 1046 mol Cl

How many moles of chlorine (Cl) atoms are in a sample of 1.72 * 1022 atoms?

a. 0.0286 mol Cl

b. 35.0 mol Cl

c. 1.03 * 1023 mol Cl

d. 1.04 * 1046 mol Cl