Answer to Question #125231 in Inorganic Chemistry for Kenny

Question #125231
How many protons are there in 6.0 g of nitrogen gas? Avogadro constant, L = 6.022 × 1023 mol–1
1
Expert's answer
2020-07-08T08:24:06-0400

M = 28.01 g/mol

6.0 / 28.01 = 0.2142 mol

0.2142 mol x L = 0.2142 mol x 6.022 × 1023 mol–1

= 1.3 x 1023 molecules of N2

Each molecule contains 7 protons (atomic number 7)

7 x 1.3 x 1023 = 9.0 x 1023 p+


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