Question

what is the weight of 0.3 mole of hydrogen gas​

Answer 1

Answer:

0.302382 g

Explanation:

Name of the element = Hydrogen (H)

Molar mass of hydrogen= 1.00794

Mole= 0.3

Weight= Molar mass x Mole

           = 1.00794 x 0.3

           = 0.302382 g

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