What mass of H2C2O4 * 2H2O is needed to prepare 1.00 x 10^2 mL of a...
What is the mass of CaCl2•2H2O (MW 147.02) in grams needed to prepare 1.0E+02 mL of a 0.4300 M solution of Ca2+ (MW 40.078)?
What mass of oxalic acid, H2C2O4, is required to prepare 250 mL of a solution that has a concentration of (4.53x10^-1) M H2C2O4?
What is the molarity of a solution that contains 2.38 g of H2C2O4 2H2O in exactly 300 mL of solution?
19. a. What mass of potassium bromide is needed to prepare a 250. mL of a 2.00 M KBr aqueous solution? Molar mass of KBr = 119.00 g/mol. Use dimensional analysis to calculate the mass. b. Describe the full process of how you would prepare this solution in a 250. mL volumetric flask. c. Calculate the concentration of the solution in question a. if more water was added to bring the solution to a final volume of 1000. mL. (Hint:...
1. What mass of solute is needed to prepare each of the following solutions? a. 1.00 L of 0.125 M K2SO4 b. 375 mL of 0.015 M Naf c. 500 mL of 0.350 M C6H1206
calculate the mass,W of the CuSO4 · 5H2Osample needed to prepare 100 ml of: Table 1. PREPARATION OF THE SOLUTIONS BY THE DISSOLUTION TECHNIQUE Calculate mass, W of the CuSO4.5H20(s) sample, needed to prepare 100 ml of: Molar mass of CuSO4.5H20 M, gram Volume of the prepared CuSO4 solution, V, liter 0.100M CuSO4 solution 0.300M CuSO4 solution 0.500M CuSO4 solution W gram W, gram W, gram 250. g/mol 0.100
the molar mass of platinum is 195.08 g/mol. what is the mass of 1.00 x 10^2 pt atom.
A 1.00 mL solution containing 0.400g BaCl2:2H2O is mixed with 50.00 mL of a solution containing 0.300 g NalO3. Determine the mass of Ba(103)2 formed. Ksp (Ba(103)2) = 1.6x10-9 Determine the saturation state of seawater (12) for calcite at pH 8.10 (current) and pH 7.80 (year 2100). The concentration of calcium is constant at 0.0103 M. The concentration of carbonate is 2.40x10-4M (pH 8.10) and 1.48x10-4M (pH 7.8). Ksp*(calcite) = 4.272x10-7 Calculate the activity coefficient of K+ in a 0.0500...
What is the mass of NaCl needed to prepare 250 mL of a 0.60 M NaCl solution?
10. What is the mass of CaCl2•2H20 (MW 147.02) in grams needed to prepare 2.0E+02 ml. of a 0.4000 M solution of Ca2+ (MW 40.078)? O 0.312 11.8 O 0.3119 O 0.0850 • 11.76 O 0.04990 Submit Answer Incorrect. Tries 1/2 Previous Tries This discussion is closed.