0.5 moles of sodium chloride is dissolved to make 0.05 liters of solution. What is the molarity of the solution?

0.5 grams of sodium chloride is dissolved to make 0.05 liters of solution. What is the molarity of the solution?

120 grams of calcium nitrite (Ca(NO2)2) (Mr=132 gr/mole) in 240 mL of solution. What is the molarity of the solution?

98 grams of sodium hydroxide (NaOH) (Mr=40 gr/mole) in 2.2 liters of solution. What is the molarity of the solution?

1.5 L of 2 M NaOH (Mr =40 gr/mole). How many mass you have to add to make the solution?

How many moles of 5.85 of NaCl? (ar Na =23, Cl = 35.5)

How many grams of mass in 0.2 mole HCl? (ar H =1, Cl =35.5)

How much volume added if you want to make 0.2 M from 4 grams of NaOH (Mr=40) ?

What is the volume of 16 gram of O2 gas at room temperature (VM=24 liters/mole)

What is the volume of 0.1 moles of H2 gas at room temperature (VM=24 liters/mole)