Which of the following is unchanged when a solution is diluted by the addition of solvent?

a. volume of solvent
b. mass of solvent
c. number of moles of solute
d. molarity of solution

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?