Use the periodic table to answer this question. How many moles of He are in 16 g of the element? A 4.0 mol B 1.0 mol C 8.0 mol D 16 mol

Lensflare asked Jan 24, 2022

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Use the periodic table to answer this question.

How many moles of He are in 16 g of the element?
A 4.0 mol
B 1.0 mol
C 8.0 mol
D 16 mol

Lensflare asked Jan 24, 2022

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14 votes

Answer:

A. 4.0 mol

Step-by-step explanation:

Divide 16 g by the molar mass of He, which is 4.0 g/mol.

16 g / 4.0 g/mol = 4.0 mol

Morishiri answered Jan 29, 2022

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