how many moles of Zn in 2.45g?
You will get that many moles of H2, according to the equation.
so, how many grams is that?
What mass of H2 gas would be formed when 2.45 g Zn reacts with excess acetic acid? Zn (s) + 2 HC2H3O2 (aq) ------> H2 (g) + Zn (C2H3O2)2(aq)
1 answer