saul41818 saul41818

10-07-2019
Chemistry

contestada

How many moles are in 42.1 grams of NaCl?

Respuesta :

Abinatamang Abinatamang

11-07-2019

Answer:

0.71

Explanation:

The molecular mass of NaCl is, 23+35.5

= 58.5

1 mole means molecular mass (in gram)

In 58.5 gm NaCl there is 1 mole.

So, 42.1 gm NaCl contains 42.1/58.5 =0.71 moles.

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