A 3.0% by mass aqueous solution of hydrogen peroxide (H2O2) canbe purchased at a pharmacy; by contrast, chemistry departments canpurchase 30.0% by mass aqueous solution of hydrogen peroxide havinga density of 1.10 g/mL at 25°C.
How many moles of hydrogen peroxide are supplied by 2.00 g ofthe 30.0% solution at 25°C?
How many moles of hydrogen peroxide are supplied by 2.00 mL ofthe 30.0% solution at 25°C.
What mass in grams of water is present in 2.00 mL of the 30.0%solution at 25°C?
How many hydrogen peroxide molecules are present per milliliterof the 30.0% solution at 25°C?