Balance the equation;
___Mg+__HCI->__MgCI2+__H2
How many moles of hydrogen gas are produced when 3.0 mof 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....
To balance the equation:
Mg + 2HCl → MgCl2 + H2
To find out how many moles of hydrogen gas are produced when 3.0 moles of magnesium react, we need to use the balanced equation coefficients.
According to the balanced equation, 1 mole of magnesium reacts to produce 1 mole of hydrogen gas. Therefore, if 3.0 moles of magnesium react, we will also produce 3.0 moles of hydrogen gas.
So, 3.0 moles of hydrogen gas are produced when 3.0 moles of magnesium react.