Find molarity of HCl solution if .3 L of HCl Solution reacts with magnesium to produce 6.2L of H2 Gas Measure at STP.
Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)
The answer in the book is 1.79 M
I have no idea how they got it.
I've been breaking my head. Can someone show me how to do it correctly.