Balance the following chemical equation and determine the grams of oxygen required for the

combustion of $110g$ acetic acid $(C{H}_3\frac{C}{O}OH)$ :

$C{H}_3\frac{C}{O}OH+O_2--C{O}_2+H_{2}O$

Calculate the volume $($L$)$ of one mole of an ideal gas at $25C$ and $1$atm pressure.

Calculate the molarity of the following:

a$.25u\frac{g}{L}{H}_{2}S{O}_4$

b$.60m\frac{g}{L}Ca(OH{)}_2$