Calculate the molarity and express answer with appropriate units. 7.20 g of NaCl in 350. mL of a NaCl solution

105 mL of water was added to 40.0 mL of 0.550 M MgCl, solution. Assuming the volumes are additive, what is the MgCl, concentration in the diluted solution?

A 6.00 M stock solution of potassium permanganate is diluted successively by first diluting 5.00 mL the stock solution to 100. mL. Then, 2.00 mL of this dilute solution is added to 98.00 mL of water. Determine the final concentration of the potassium permanganate solution.

A solution of hydrochloric acid was formed by dissolving 5.51 g of hydrogen chloride gas in enough water to make 24.1 mL of solution.  What is the concentration in mass/volume % of the solution?

A 0.820 m aqueous solution of KBr has a total mass of 82.0 g. What masses of solute and solvent are present?

29.91 ml of an acid solution (identity unknown) is neutralized by 17.29 ml of 0.1999 M calcium hydroxide solution. Determine the Normality of the acid.

A 15 mL Sample of 0.255 M cobalt(II) Chloride solution is diluted 500 mL. What is the new molarity of the diluted sample?

A 20.0-mL solution of 1.10 M KCl is diluted. How much water must be added to dilute the concentration to 0.750 M KCl?

What volume of 0.5175 M aluminum ion solution can be prepared from 6.0000 grams of aluminum sulfate?  Show the numerical set-up(s), using correct units and the correct number of significant figures

A solution is determined to be 0.560% acetic acid by mass. What is its molarity? (Assume the density of the solution is 1.02 g/mL.)