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- What volume of concentrated 15.75 mol/L nitric acid would a lab technician need to make 5.50 L of 0.450 mol/L solution by dilution of the original concentrated solution?What volume of 5.0 M sucrose solution is needed to make 3.00 L of 0.043 M sucrose solution?What volume of 2.0 M NaCl solution can be made from .75 moles of NaCl?
- How many mL of 30% H2O2 solution with a molecular weight of 34 g/mol and a density of d:1.12g/mL should be used to prepare 50 mL of 0.5 M H2O2 solution?What happened to the number of moles in a sample that originally occupied 500mL with 2.50 moles and then occupied 750 mL?volume of 0.250 mol/L solution that can be made from 31.0 g of C2H2O4 • 2H2O(s)
- Calculate the molarity of 1.60 L of a solution containing 1.55 g ofdissolved KBr.How many liters of solution would be needed to produce 21.5 g of CaCl2 from a 0.842 M CaCl2 solution?38 What mass of concentrated sulfuric ( a 95% solution of H2SO4 by mas) is needed to prepare 500. g of a 10.0% solution of H2SO4 by mass? Select one: a. 25g b. 65g c. 53g d. 45g