One gram of an alloy of Mg and Al, when treated with excess dilute hydrochloric acid gave 1.2L hydrogen at O""^(@)C and 0.92atm. Calculate the weight percentage of Mg in the alloy

One gram of an alloy of Mg and Al, when treated with excess dilute hyd

1.	One gram of an alloy of Mg and Al, when treated with excess dilute hydrochloric acid gave 1.2L hydrogen at O""^(@)C and 0.92atm. Calculate the weight percentage of Mg in the alloy
Answer» ANSWER :0.45