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Question

9.033×1023 atoms of hydrogen is equal to:


A

1.5 gm

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B

0.75 grams

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C

1.5 moles

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D

0.75 moles

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Solution

The correct options are
A

1.5 gm


C

1.5 moles


Molar mass of a substance is given by :
Given number of moleculesAvogadros number

9.033×10236.022×1023=1.5 moles

Molecular mass in grams = 1.5 × atomic mass of hydrogen = 1 g


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