80 g of NaOH in 400 g of NaOH solution

Part A: 80 g of NaOH in 400 g of NaOH solution...needs to be in this format: m/m = ? % Part B: 3.3 g of KOH and 26.5 g of H2O...………m/m = ? % Part C: 49.0 g Na2CO3 in 256.5 g of Na2CO3 solution.....m/m = ? %
Calculate the molarity of 20.5 g of NaOH in 400. mL of an NaOH solution. Express your answer with the appropriate units.
How many grams of NaOH are required to prepare 400. ml of 3.0 M NaOH solution? uestion orrect ark 1.00 out of Select one: a.800 g Flng question b. 300g C. 12 g d. 48 g The correct answer is: 48 g
44 2 points A 443 g sample of NaOH is dissolved in water and the solution is diluted to give a final volume of 2.01 liters. Calculate the molarity of the solution. Use 400 as the molar mass for NaOH Type your answer. Previous
A plant for the production of NaOH concentrates a solution of 10%w NaOH, 10% NaCl, an 80% H2O by evaporation. During evaporation some NaCl crystallizes out pure. If the fina solution contains 50% NaOH and 1% NaCl, calculate the following: a. b. The pounds of water evaporated per ton of initial solution. (1404) The pounds of NaCl precipitated per ton of initial solution. (196) The weight of the final solution. (400) C. 3. A plant for the production of NaOH...
What mass (g) of a 15% (m/m) NaOH solution contains 120 g NaOH? L 1 points Sau QUESTION 16 How many grams of H3PO4 are in 255 mL of a 4.50 M solution of H3PO4? a. 400 g b.4.50 g c. 112 g d. 1.15 g e. 441 g
What is the pH of 80 mL of a 0.4 mol/L NaOH solution after the
addition of 20 mL of a 0.5 mol/L solution of HCl?
4. What is the pH of 80 mL of a 0.4 mol/L NaOH solution after the addition of 20 mL of a 0.5 mol/L solution of HCI?
1. How many grams of pure, solid NaOH are required to make 400 mL of 0.1M NaOH solution? 2. How many grams of a solution that is 50% by weight NaOH is required to make 400 mL of 0.1M NaOH solution? 3. The density of a 50% solution of NaOH is 1.525 g/mL. What volume of a solution that is 50% by weight NaOH is required to make 300 mL of 0.1M NaOH solution? 4. Why does weighing by difference...
A solution of sodium hydroxide (NaOH) is prepared by taking 20.0 g NaOH and dissolving in enough water to make 500.0 mL of solution. What is its concentration in “molar” units? (Formula weight of NaOH is 40.0 g/mol.) How many moles of NaOH are contained in 12.71 mL of this sodium hydroxide solution?
51 g of NaOH are dissolved in water to make 4034 mL of a NaOH solution. Use 40 for the molecular weight of NaOH. What is the concentration of the resulting NaOH solution?