Please I need this ASAP number 6

(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 ?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?