Carbon dioxide dissolved in water is an example of which solute-solvent combination

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle. if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3.2 kilopascals, what is the partial pressure of the hydrogen?

Sort these isotopes by whether they are most likely to undergo fusion or fission. hydrogen-3, uranium-233, plutonium-239, hydrogen-1, helium-3, plutonium-241