Question

calculate the number of moles in 48g of o2.(molar mass of o2 is 32g/mol)​

Answer 1

48/32 = 1.5moles

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Answer 2

Explanation:

We know that,

$\underline{\boxed{\sf Moles = \dfrac{Given \: mass}{Molar\:mass}}}$

$\sf Given \: mass \: of \: O_2 = 48 \:g$

$\sf Molar \: mass \: of \: O_2 = 32 \:g$

$\sf Number \:of \:moles \:of\: O_2 = \dfrac{48}{32}=1.5 \: moles$

Hence the number of moles of oxygen molecule is 1.5 moles.