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Calculate the number of protons in 34 mg, NH3 at N.T.P.

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Calculate the number of protons in 34 mg, NH3 at N.T.P.

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1 mol of NH3 = 17g
1 mole of NH3 = 6.023 × 1023 molecules of NH3
or, 1 atom of NH3 contains = 10 protons
Number of proton in 1 mole NH3 = 10 × 6.023 × 1023 protons
Therefore 34 mg NH3 = 6.023 x 1024 × 34/17 × 1000 = 1.2046 × 1022 protons.

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