question archive 1) What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0
1) What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0
Subject:ChemistryPrice: Bought3
1) What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0.250 m solution?
2) How many moles of KF are contained in 244 mL of 0.135 m KF solution? The density of the solution is 1.22 g/mL
3) Commercial grade HCl solutions are typically 39.0% (by mass) HCl in water. Determine the molarity of the HCl, if the solution has a density of 1.20 g/mL.
4) A solution is prepared by dissolving 49.3 g of KBr in enough water to form 473 mL of solution. Calculate the mass % of KBr in the solution if the density is 1.12 g/mL.
5) A solution is prepared by dissolving 38.6 g sucrose (C12H22O11) in 495 g of water. Determine the mole fraction of sucrose if the final volume of the solution is 508 mL
6) A 4.55 L sample of water contains 0.115 g of sodium ions. Determine the concentration of sodium ions in ppm if the density of the solution is 1.00 g/mL
7) At 20
What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0.250 m solution? How many moles of KF are contained in 244 mL of 0.135 m KF solution? The density of the solution is 1.22 g/mL Commercial grade HCl solutions are typically 39.0% (by mass) HCl in water. Determine the molarity of the HCl, if the solution has a density of 1.20 g/mL. A solution is prepared by dissolving 49.3 g of KBr in enough water to form 473 mL of solution. Calculate the mass % of KBr in the solution if the density is 1.12 g/mL. A solution is prepared by dissolving 38.6 g sucrose (C12H22O11) in 495 g of water. Determine the mole fraction of sucrose if the final volume of the solution is 508 mL A 4.55 L sample of water contains 0.115 g of sodium ions. Determine the concentration of sodium ions in ppm if the density of the solution is 1.00 g/mL At 20 degree C, a 0.376 M aqueous solution of ammonium chloride has a density of What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is At 20 degree C, a 0.376 M aqueous solution of ammonium chloride has a density of What is the mass % of ammonium chloride in the solution? The formula weight of NH4Cl is An aqueous solution is 0.467 M in HCl. What is the molality of the solution if the density is 1.23 g/mL? A solution is prepared by dissolving 76.3 g NaI in 545 g of water. Determine the mole fraction of NaI if the final volume of the solution is 576 mL.
