Question

number of moles in 12g of oxygen

Answer 1

HII

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HERE IS YOUR ANSWER:--------

MOLAR MASS OF O2(OXYGEN) =2×16=32 kg
NUMBER OF MOLES IN 12g O2 =12/32 =0.375 mole.


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Answer 2

Here we are given the mass of oxygen gas as 12 grams

Formula for oxygen gas =O2

Molar mass =2×16=32hrams

We know the formula to calculate the number of moles

No. of moles=given mass ÷molar mass

No. of moles=12÷32

=0.375 moles

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