Question

how many moles in 14.1g NO2?

Answer 1

$\huge\mathfrak \purple{answer}$

$\mathtt{\green{no. \: of \: moles = \frac{given \: mass}{molar \: mass}}} \\ \\ \mathtt{\green{ no. \: of \: moles \: in \: no2 = \frac{14.1}{14 + 2 \times 16} }} \\ \\ \mathtt{\green{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{14.1}{46} }} \\ \\ \mathtt{\green{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =0.306 \: moles }}$

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