How many grams of MnCl2 need to be added to 5 liters of water to make a 0.25 M solution?

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .