atom, Chemistry

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two reasons why is it necessary to ionise chromium atomsin a sample

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A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.

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CH 3 COOH ( ethanoic acid)  + NH 3 ------------ > CH 3 COONH 4   + (HEAT) ---------- > CH 3 CONH 2 (methyleamine) + H 2 O

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