CHEM! (SCIENCE) NEED HELP
posted by tyneisha .
Balance the equation;
How many moles of hydrogen gas are produced when 3.0 molesbof magnesium react?
when you balance it...and it is very easy...
Mg+2HCl>>MgCl2 + H2
you see that for each mole of Mg, you get one mole of H2. So for three moles of Mg, you get....