what volume of dry hydrogen measure at STP will be produce when 6.5g of zinc completely react with dilute HCl ?
how many moles of Zn in 6.5g?
The equation will tell you how many moles of H2 to expect
each mole occupies 22.4L at STP
so ...
The equation will tell you how many moles of H2 to expect
each mole occupies 22.4L at STP
so ...