How many grams of solute are dissolved in the following solutions?
1.90.0 g of 9.00 % FeBr2 solution
2.130.0 g of 7.00 % Na2CO3 solution

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 is the approximate vapor pressure when the gas condenses at 70 degrees celsius

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.