Zinc dissolves in hydrochloric acid to yield hydrogen gas
Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows.
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
What mass of hydrogen gas is produced when a 4.30 g sample of zinc dissolves in 250.mL of 2.800 M HCl
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