To prepare for a laboratory period, a student lab assistant needs 125 g of a compound. a bottle containing 1/4 ib is available. did the student have enough of the compound?

Calculate the number of molecules present in 0.750 mol of mgo.

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?