Asked by Kelly
What mass of Zn will be dissolved in 10 mL pH=2 HCl solution?
Zn + 2HCl--> ZnCl2 + H2
Zn + 2HCl--> ZnCl2 + H2
Answers
Answered by
GK
[H+] = 10^-2 = 0.01M
10 ml = 0.010L
(0.01mol/L)(0.010L) = 0.0001 mole of H+ or HCl
moles of Zn = (0.0001 mol HCl)(1mol Zn/2mol.HCl)= 0.00005 moles Zn
Convert moles of Zn to grams
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