alynnarivas01 alynnarivas01

15-10-2018
Chemistry

contestada

What is the mass (in grams) of 1.25 mole of sodium metals?

a. 1.53 x 10^25 g
b. 40.1 g
c. 28. 7 g
d. 7.53 x 10^23 g

Respuesta :

ThatPoliSciPerson ThatPoliSciPerson

22-10-2018

C. 28.7 g

One mole of sodium metal weighs 22.99 grams. 22.99×1.25=28.7375, which rounds to 28.7.

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