Number 11
Please and thank you

(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 ?

X+y=-4 x-y=2 use elimination with adding and subtraction

Write the function for the graph. (1.8) (0,4)