The following reaction is carried out as a source of hydrogen gas in the laboratory:
Zn(s) + 2HCl(aq) ---> ZnCl2(aq) + H2(g)
If 305 mL of hydrogen gas is collected over water at 25 °C at a total pressure of 746 mm Hg , how many grams of Zn reacted?
1 answer
See your post above.