How many ammonium ions, nh4 , are there in 5.0 mol (nh4)2s?
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Ответ:
1 mol contains 6.02 * 10^23 things.
1 mol of (NH4)2S contains 2*6.02 * 10^23 ions (of NH4+ in this case.) = 1.204 * 10^24 ions HN4+
5 mol of (NH4)2S contains 5 * 1.204*10^24 =
6.02 * 10^24 mols NH4+ions <<<<Answer
Ответ: