Question:
please answer this question and also explain the reason for it
Q)The ratio of amount of H2S needed to precipitate all the metal ions from 100ml of 1M AgNO3 and 100ml of 1M CuSO4 is
1)1:2
2)2:1
3)zero
4)infinite
Answer:
2AgNO3 + H2S → Ag2S + 2HNO3
Ratio: 1H2S : 2AgNO3
CuSO4 + H2S → CuS + H2SO4
Ratio:1H2S : 1CuSO4
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