Anonymous
Anonymous asked in Science & MathematicsChemistry · 6 months ago

stoichiometry?

When potassium cyanide (KCN) reacts with hydrochloric acid, hydrogen cyanide (HCN), a poisonous gas, is produced. The equation is

7a

Calculate the number of g of KCN that will react with 5.74 mol of HCl.

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  • 6 months ago

    Nasty gases ....

    KCN(aq) + HCl(aq) --> HCN(g) + KCl(aq)

    ..? g .......... 5.74 mol

    5.74 mol HCl x (1 mol KCN / 1 mol HCl) x (65.12g KCN / 1 mol KCN) = 374g KCN

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  • 6 months ago

    this sounds like someone trying to get yahoo to do their homework! no no no

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  • 6 months ago

    The equation is 7a. ?? what does this mean?

    • Roger the Mole
      Lv 7
      6 months agoReport

      https://www.chegg.com/homework-help/questions-and-answers/please-help-questions-7-reactionhcn-kclhcl-kcn-answer-following-questions--complete-reacti-q13195147

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