Asked by Anonymous

Zn(s)+2HCl(aq) ->ZnCl2(aq)+Hx(g)
How many millilters of 2.50M HCl(aq) are required to react with 3.95 of Zn(s)?

Answers

Answered by DrBob222
mols Zn = grams/atomic mass = ?
mols HCl = twice that (from the coefficients in the balanced equation).
M HCl = mols HCl/L HCl. You know M and mols, solve for L HCl and convert to mL.
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