Question

number of moles in 20grams of hydrogen?​

Answer 1

mass of hydrogen =1 gm

No. of moles=given mass/Actual mass

=20/1=20 moles

Answer 2

Answer:

20 moles.

Explanation:

Weight of hydrogen in grams = 20 gm

Molar mass of hydrogen = 1 u.

We know that,

$number \: of \: moles \: = \frac{weight \: (gm)}{molar \: mass}$

$n = \frac{20}{1} \\ n = 20 \: moles$

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