When potassium cyanide (KCN) reacts with acids, a deadly poisonous gas, hydrogen cyanide (HCN), is given off.
Question:
If a sample of 0.140 g of KCN is treated with an excess of HCl, calculate the amount of HCN formed, in grams.
Transcribed Image Text:
KCN(aą) HCl(a)CI(aą) HCN(g)
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