Answer
11.7 mL
Work Step by Step
To determine the volume level to which the water in the cylinder will rise, use dimensional analysis as follows:
$\frac{(5.25)g}{1}\times\frac{(1)cm^{3}}{(10.5)g} + (11.2)mL = (11.7)mL$
where $(1)cm^{3} = (1)mL$