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General Chemistry

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When potassium cyanide (KCN) reacts with acids, a deadly poisonous gas, hydrogen cyanide (HCN), is given off. Here is the equation:

KCN(aq) + HCI(aq) -> KCI(aq) + HCN (g)

In a sample of 0.140 grams of KCN is treated with an excess of HCI calculate the amount of HCN formed in grams.

Please explain the work and the answers.

  • General Chemistry -

    How many moles of KCN do you start with? YOu get the same number of moles of HCN.

  • General Chemistry -

    Can you clarify do I get the moles of KCN by .14 grams of KCN/ 65.02 grams of KCN. How do I get the moles of KCN?

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