contestada

Approximately how many moles of boron make up 1.20 × 10^24 atoms of boron?

A. 7.22 × 10^47 moles

B. 6.02 × 10^23 moles

C. 5.00 moles

D. 1.99 moles

Respuesta :

jcherry99
1 mol of anything is 6.02 * 10^23 of that substance
x mol = 1.2 * 10^24

x = 1.2 * 10^24/6.02 * 10^23
x = 1.993 mol.

Answer: D <<<<<======

Otras preguntas