Question

6.5g of zinc was reacted with excess HCL.calculate the volume of dry hydrogen gas.
my work
zn+2HCL-zncl2 + H2

Answer 1

so clearly each mole of Zn produces 1 mole of H2

6.5g = 0.1 mole Zn

So, since 1 mole of H2 occupies 22.4L at STP, ...

Answer 2

Am glad