franco read 3 over 8 of a chapter of his history book in 1 over 5 of an hour. at this rate, how many chapters of his history book can he read in 1 hour?

(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 ?

In trapezoid bath, ah=19.7 and et=16.1. identify be.

What is the volume of a rectangular prism that is 120 centimeters by 2 meters by 1.5 meters in cubic meters?