Solve for a, b and c given that a+b+c=2, a^2+b^2+c^2=6 and a^3+b^3+c^3=8

(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 ?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Finding tbe values of the variables in each kite