Exam 2 Review

What is the total concentration of ions in a solution of 0.500 M Ba(OH)2 ?

• 2.50M

• 1.50 M

• 0.005 M

• 0.500M

What is the equation for molarity?

• M1V1=M2V2

• mol of solution/ milliliters of solution

• moles of solute/ milliliters of solution

• moles of solute/ liters of solution

What would be the concentration of the solution prepared by diluting 15.0mL of 12.0 M HCl to a total volume of 150.0mL?

• 1.20 M

• 1.02 M

• 3.00 M

• 3.03 M

What is a limiting reactant?

• the product that runs out first (smaller number of moles)

• the product that remains after reaction is complete (bigger number of moles)

• the reactant that runs out first (smaller number of moles)

• the reactant that remains after reaction is complete (bigger number of moles)

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What is the concentration of a NaCl solution prepared by dissolving 3.6g of NaCl in sufficient water to give 275mL of solution?

• 0.99 M

• 0.23 M

• 52.0 M

• 2.9 x 10^4 M

With which of the following will the potassium ion form an insoluble salt?

• Silver

• Sulfate

• Sulfate and carbonate

• none of the above

Which is a strong base?

• Mg(OH)2

• Sr(OH)

• Ra(OH)2

• Sr(OH)2

Strong electrolytes ________. (select two)

• partially dissociate in water

• fully dissociate in water

• are also strong acids/bases

• are not strong acids/bases