Multiple Choice
100.0 mL of 0.100 M sodium phosphate is mixed with 100.0 mL of 0.120 M calcium chloride. What mass of calcium phosphate precipitate is formed?
6. Chemical Quantities & Aqueous Reactions
Solution Stoichiometry
Back6. Chemical Quantities & Aqueous Reactions
Solution Stoichiometry
- Multiple ChoiceYou mix a 125.0-mL sample of a solution that is 0.0117 M in NiCl₂ with a 175.0-mL sample of a solution that is 0.250 M in NH₃. After the solution reaches equilibrium, what concentration of Ni²⁺(aq) remains?
- Multiple ChoiceWhat volume (in mL) of 0.2000 M HCl is required to completely neutralize 50.00 mL of 0.8000 M NaOH?1views
- Open Question
Titration of a 20.0-ml sample of acid rain required 1.7 ml of 0.0811 m NaOH to reach the end point. If we assume that the acidity of the rain is due to the presence of sulfuric acid, what was the concentration of sulfuric acid in this sample of rain?"
- Multiple ChoiceCalculate the molarity of an unknown sulfuric acid (H₂SO₄) solution if a 25.0 mL sample of the acid solution consumes 27.2 mL of 0.138 M NaOH solution in a titration. Assume the reaction is: H₂SO₄ + 2 NaOH → Na₂SO₄ + 2 H₂O.
- Multiple ChoiceWhat is the mass of chloride ions in 375.0 mL of solution with a magnesium chloride concentration of 0.250 M?
- Multiple ChoiceA FeCl3 solution is 0.175 M. How many mL of a 0.175 M FeCl3 solution are needed to make 650 mL of a solution that is 0.300 M in Cl⁻ ion?
- Multiple ChoiceWhat minimum volume of 0.248 M potassium iodide solution is required to completely precipitate all of the lead in 190.0 mL of a 0.100 M lead(II) nitrate solution?
- Multiple ChoiceWhich solution contains the largest number of chloride ions, , assuming complete dissociation and the same final volume for each solution?
- Open QuestionWhat mass of barium sulfate can be produced when
- Multiple ChoiceWhat is the concentration of carbonate ions (CO3^2−) in a 0.090 M carbonic acid (H2CO3) solution, assuming complete dissociation?
- Multiple ChoiceA student dissolved 5.00 g of Co(NO3)2 in enough water to make 100.0 mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275.0 mL of a final solution. How many grams of NO3- ion are there in the final solution?
- Multiple ChoiceYou have a beaker holding 25.0 mL of 1.5 M HCl. You then add 10.0 mL of 2.0 M NaOH to the beaker. What is the pH of the solution after the addition of the NaOH?
- Multiple ChoiceWhat is the concentration of chloride ions in the solution formed by mixing 3.50 g of NaCl with 40.9 mL of 0.407 M CaCl2 solution, assuming the volumes are additive?
- Multiple Choice
How many milliliters of 0.325 M HCl are needed to react with 16.2 g of magnesium metal?
2 HCl (aq) + Mg (s) → MgCl2 + H2 (g)
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