perseusturgeon perseusturgeon

03-01-2020
Chemistry

contestada

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

Respuesta :

elizabellaK12 elizabellaK12

03-01-2020

Answer:

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

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