A solution is made by dissolving 24 g of potassium nitrite, KNO2, in enough water to make exactly 100. mL of solution. Calculate the molarity of each species:
KNO2
K+
NO2-
A solution is made by dissolving 24 g of potassium nitrite, KNO2, in enough water to...
A solution is made by dissolving 25.7 g of copper(II) chloride, CuCl2, in enough water to make exactly 100 mL of solution. Calculate the concentration (molarity) of CuCl2 in mol/L (M). M CuCl2
A solution is made by dissolving 14 g of silver nitrate, AgNO3, in enough water to make exactly 250 mL of solution. Calculate the concentration (molarity) of AgNO3 in mol/L (M)
Ch.3-4 A solution is made by dissolving 22.9 g of ammonium hydrogen carbonate, NH4HCO3, in enough water to make exactly 500. mL of solution. Calculate the molarity of each species: NH4HCO3 ________ mol/L NH4+____________ mol/L HCO3-___________mol/L
Determine the molarity of a solution made by dissolving 1.76 moles of potassium nitrate in enough water to make 250.0 mL of solution
A solution is made by dissolving 26.3 g of chromium(III) sulfate, Cr2(SO4)3, in enough water to make exactly 500 mL of solution. Calculate the concentration (molarity) of Cr2(SO4)3 in mol/L (M). M Cr2(SO4)3
When potassium nitrite, KNO2 is dissolved in water, the pH is basic. This is because the nitrite ion, NO2- is a weak base with a Kb of 1.4 x 10-11. a. Write an appropriate acid/base reaction for the nitrite ion in water. a. Write the equilibrium constant expression for Kb. b. Calculate the pH of a 0.650 M solution of potassium nitrite in H2O.
(a) A solution is made by dissolving 3.00 mole of CaClas) in enough water to make solution. The density of the solution is 1.25 g ml? 4) Calculate the molality of the solution (not the molarity!) ugh water to make 2.00 L of [3 marks]
what is the molarity of a solution made by dissolving 3.50g of potassium hydroxide in enough water to make 125ml solution?
What is the molarity of a solution prepared by dissolving 5.90 grams of calcium nitrite [Ca(NO2)2, molar mass=132.10 g/mol] in enough water to make a 106.0 mL soln?
Determine the molarity of a solution made by dissolving 31.3 g of Sr(ClO3)2 in enough water to make 250.0 mL of solution