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A solution was prepared by dissolving 5.76g of KClMgCl2.6H2O in sufficient water to give 2.00L calculate molar analytical concentration of KClMgCl2 Molar concentration of Mg2+ of Cl- w/v percent of KClMgCl2 6H2O no of mM of Cl in 25 mL of this soon ppm of
A solution of methanol is prepared by dissolving 34.1 mL of methanol in sufficient water to give a total volume of 103.4 mL. What is the percent-by-volume concentration of methanol?
A solution is prepared by dissolving 0.300 g Fe(NH4)2(SO4)2*6H2O in sufficient water to produce 250.0 mL of solution. a. What is the molar concentration of Fe2+? b. What is the molar concentration of NH4+? c. What is the concentration of sulfur in mg/L?
What is the molar concentration of Cl– in a solution prepared by mixing 25.0 mL of 1462.5 ppm NaCl with 35.0 mL of 2600ppm BaCl2?
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...
A solution of F− is prepared by dissolving 0.0887±0.0006 g NaF (molar mass = 41.989±0.001 g/mol) in 152.00±0.09 mL of water. Calculate the concentration of F− in solution and its absolute uncertainty.
35) Calculate the concentration of a KCl solution prepared by adding 200 mL of water to 100. mL of 12% KCl solution.
Complete the following Assignments 1. Calculate the percent (W/V) of a solution made by dissolving 23.4 g sodium chloride in water to make a 250 ml volume of solution. 2. Calculate the number of grams of NaOH needed to make 1500 mL of a 0.2 M solution 3. 5.0 mL of a potassium chloride solution is transferred to a beaker and the water evaporated. The weight of KCl is 0.75 g. a) calculate the molarity b) calculate the percent (w/v)...
1.)A 1.998-g sample containing Cl' and CIO," was dissolved in sufficient water to give 250.0 mL of solution. A 50.00-ml aliquot required 13.97 mL of 0.08551 M AgNO3 to titrate the CI'. A second 50.00-ml aliquot was treated with V2(SO4)3 to reduce the CIOA to Cl": CIO:+4V2(SO)) + 4H20 C1 + 1250,2 +8VO2 + 8H Titration of the reduced sample required 40.12 mL of the AgNO, solution. Calculate the percentages of Cl' and CIO, in the sample.
2. Calculate the molarity of a solution prepared by dissolving 2.500 g of Na2CO3 in water to make 500 mL of solution. (2 pts.)
Calculate the weight/volume (w/v) percent of 15 g of sucrose in 350 mL of solution.