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Please help explain ! 1. What mass of sodium sulfate is needed to prepare 150 mL...
Solid barium acetate is slowly added to 150 ml of a 0.395 M sodium sulfate solution until the concentration of barium ion is 0.0319 M. The percent of sulfate ion remaining in solution is %
Solid sodium sulfate is slowly added to 150 mL of a 0.0595 M barium acetate solution. The concentration of sulfate ion required to just initiate precipitation is M
14. When 10.0 grams of Na2S04 is dissolved to 500. mL with water: c. What is the molarity of sodium sulfate? d. What is the molarity of sodium ion in the solution? e. What is the molarity of sulfate ion in the solution? 15. You want to perform a chemical reaction and you need 15.0 grams of silver for the reaction to produce the desired yield of product. How much of a 0.75 M silver nitrate solution will you need...
1.Solid ammonium sulfide is slowly added to 150 mL of a 0.0663 M zinc nitrate solution. The concentration of sulfide ion required to just initiate precipitation is M. 2.Solid nickel(II) nitrate is slowly added to 175 mL of a 0.0655 M sodium sulfide solution. The concentration of nickel ion required to just initiate precipitation is M. 3.Solid sodium sulfate is slowly added to 175 mL of a 0.0515 M lead nitrate solution. The concentration of sulfate ion required to just initiate precipitation...
The concentration of sulfate in a sample of wastewater is to be determined by using gravimetric analysis. To a 100.0-mL sample of the wastewater is added an excess of calcium nitrate, forming the insoluble calcium sulfate (136.1 g/mol) according to the balanced equation given below. The solid calcium sulfate is dried, and its mass is measured to be 0.7272 g. What was the concentration of sulfate ion in the original wastewater sample? SO4 2– (aq) + Ca(NO3)2(aq) –––––> CaSO4(s) +...
f) What is the concentration in %(m/v) of a solution prepared by dissolving 50.0 g of sucrose in 220 mL of ethanol. g) What is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and...
1. When 18.0 mL of a 6.04×10-4 M manganese(II) sulfate solution is combined with 15.0 mL of a 1.39×10-4 M ammonium sulfide solution does a precipitate form? (yes or no)___ For these conditions the Reaction Quotient, Q, is equal to ._____ 2. Solid sodium phosphate is slowly added to 50.0 mL of a 0.0357 M calcium acetate solution. The concentration of phosphate ion required to just initiate precipitation is____ M. 3. Solid ammonium chromate is slowly added to 75.0 mL...
1. How many grams of zinc chloride are needed to make 245 mL of a 0.769 M solution? 2. Calculate the concentration of the ions present in a 3.0 M sodium phosphate solution. in coolad hon 20 3. Calculate the concentration of a solution prepared by dissolving 35.0 g of aluminum carbonate in enough water to prepare 500.0 mL of solution. 4. The A student diluted 45.7 mL of a 3.78 M aluminum carbonate solution to a final volume of...
If we have 50 mL of a 1.0M sodium hydroxide solution and 50 mL of a 0.20 M iron (III) nitrate solution, what is the concentration of ions in each solution? Write the chemical, complete ionic and net ionic equations for the reaction. Chemical: Complete lonic: Net Ionic: What volume of 1.0M NaOH is required to precipitate all the Fe ions from 50. mL of a 0.20 M Fe(NO) solution? What mass of iron (II) hydroxide precipitate can be produced...
the concentration in %(m/v) of a solution prepared by dissolving 50.0 sucrose in 220 mL of ethanol. hat is the concentration in ppm of a solution that contains 0.234 g of lactic acid dissolved in 350 mL of aqueous solution? h) How many grams of glucose are present in 850 mL of a 4.25%(m/v) glucose solution. 8. The following questions involve calculations of equivalents or miliequivalents. a) How many equivalents of sodium ion and sulfate ion are present in a...