What is the molarity (M) of a solution made with 0.875mol and 0.50L of water?

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

What three natural resources are found in the great lakes region

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.