Please help due soon.

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

On a architect's drawing of a house, 1 inche representa 1.5

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships