How many moles of nitrogen, n, are in 90.0 g of nitrous oxide, n2o?

Question

Walter Richmond

Chemistry

11 March, 14:37

How many moles of nitrogen, n, are in 90.0 g of nitrous oxide, n2o?

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Riley Davila · Answer 1

The moles of nitrogen that are in 90.0 g of nitrous oxide N2O is calculated as follows

find the moles of N2O = mass/molar mass

= 90,0g/44g/mol = 2.05 moles

since there is two atoms of Nitrogen the moles of nitrogen = 2 x 2.05 = 4.10 moles