객관식
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?
534
views
6. Chemical Quantities & Aqueous Reactions
Solution Stoichiometry
뒤로6. Chemical Quantities & Aqueous Reactions
Solution Stoichiometry
- 객관식You 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?372views
- 객관식What volume (in mL) of 0.2000 M HCl is required to completely neutralize 50.00 mL of 0.8000 M NaOH?78views
- 미해결 질문
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?"
1013views - 객관식Calculate 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.341views
- 객관식What is the mass of chloride ions in 375.0 mL of solution with a magnesium chloride concentration of 0.250 M?356views
- 객관식A 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?313views
- 객관식What 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?383views
- 객관식Which solution contains the largest number of chloride ions, , assuming complete dissociation and the same final volume for each solution?75views
- 미해결 질문What mass of barium sulfate can be produced when980views
- 객관식What is the concentration of carbonate ions (CO3^2−) in a 0.090 M carbonic acid (H2CO3) solution, assuming complete dissociation?407views
- 객관식A 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?315views
- 객관식You 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?278views
- 객관식What 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?383views
- 객관식
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)
5248views8rank4comments