100 points please help me 1: A cosmetic chemist is making a lotion which can have a maximum concentration of 0.04 M glycerol (C3H6O3). If each bottle of lotion is 0.5 liters, how many moles could each bottle have at the maximum?

2: What is the pH of an aqueous solution of the strong acid, Perchloric Acid (HClO4), with a concentration of 0.007 M?

3: In the following reaction, how many moles of HNO3 are needed to react with 7 moles of KOH to achieve a pH of 7.00?

HNO3 + KOH -> H2O + KNO3