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01-07-2019
Chemistry

contestada

How many moles are in 64 grams of methane, CH4?
A. 4
B. 32
C. 64
D. 13

Respuesta :

superman1987 superman1987

02-07-2019

Answer:

A. 4.

Explanation:

We can use the relation:

no. of moles (n) = mass/molar mass.

mass = 64.0 g, molar mass = 16.0 g/mol.

∴ no. of moles (n) = mass/molar mass = (64.0 g)/(16.0 g/mol) = 4 mol.

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