Question

The mass of 0.5 mole of nitrogen gas is ..........


14 grams


28 grams


7 grams


21 grams uska​

Answer 1

Answer:

14 grams is the correct answer.

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Answer 2

Explanation:

Given

mole = 0.5

gas is nitrogen

Molecular weight of nitrogen = 28g

mass = ?

mole = m/MW

0.5 = m/28

m = 28*0.5

m = 14g

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