Chemistry
Fill in the blank from the choices given in bracket : The number of moles in 11 g. of nitrogen gas is …………… [0.39, 0.49, 0.29] [N = 14]
Stoichiometry
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Answer
The number of moles in 11 g. of nitrogen gas is 0.39
Working
Gram molecular mass of nitrogen gas (N2) = 2(14) = 28
28 g of nitrogen gas = 1 mole
∴ 11 g of nitrogen gas = x 11 = 0.39
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