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17. How many milliliters of 4.00 M HNO3 must be added to 75.0 mL of 1.00...
How many milliliters of 1.92 M NaOH must be added to 1.00 × 102 mL of 0.16 M NaH2PO4 to make a buffer solution with a pH of 6.50? _____________ml
(a) How many milliliters of 0.155 M HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 solution? (b) How many milliliters of 2.50 M H2SO4 are needed to neutralize 75.0 g of NaOH? (c) If 56.8 mL of BaCl2 solution is needed to precipitate all the sulfate in a 554 mg sample of Na2SO4 (forming BaSO4), what is the molarity of the solution? (d) If 47.5 mL of 0.250 M HCl solution is needed to neutralize a...
How many milliliters of 10.0 M HNO3 solution must be added to a 1.0 L buffer that is .01 M acetic acid ( HC2H3O2) and .2M sodium acetate (NaC2H3O2) to bring the pH to 5.6? the pKa of acetic acid is 4.75
How many milliliters of 1.18 M NaOH must be added to 125 mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 6.90?
(a) How many milliliters of 0.155 M HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 solution? ml (b) How many milliliters of 2.50 M H2SO4 are needed to neutralize 50.0 g of NaOH? mL (c) If 54.8 mL of BaCl2 solution is needed to precipitate all the sulfate in a 544 mg sample of Na2SO4 (forming BaSO4), what is the molarity of the solution? M (d) If 47.5 mL of 0.375 M HCl solution is needed...
How many mL of a 4.00 M HCl solution must be added to 250 mL of a 0.250 M NH3 solution to make a buffer with pH = 9.10? Look up Ka or Kb in a suitable source.
How many milliliters of 0.210 M BaCl2 must be added to 12.4 mL of 0.418 M Na2SO4 to give complete reaction between their solutes? Volume of Ba2+ solution? One of the solids present in photographic film is silver bromide, AgBr. Suppose we want to prepare AgBr by the following precipitation reaction. 2AgNO3(aq) + CaBr2(aq) → 2AgBr(s) + Ca(NO3)2(aq) How many milliliters of 0.123 M CaBr2 solution must be used to react with the solute in 51.1 mL of 0.160 M...
A. How many grams of ammonium chloride must be added to 0.80 L of 1.7 M ammonia to prepare a pH = 10.29 buffer? B. How many milliliters of 2.9 M HCl must be added to 2.6 L of 0.17 M K2HPO4 to prepare a pH = 7.44 buffer? C. What is the pH of a solution prepared by mixing 24 mL of 0.050 M Ba(OH)2 and 39 mL of 0.44 M KOH? (This is just a mixing problem: simply...
4.82 (a) How many milliliters of 0.120 M HCI are needed to com- pletely neutralize 50.0 mL of 0.101 M Ba(OH)2 solution? (b) How many milliliters of 0.125 M H2SO4 are needed to neutralize 0.200 g of NaOH? (c) If 55.8 mL of a BaCl2 solution is needed to precipitate all the sulfate ion in a 752-mg sam- ple of Na2SOs, what is the molarity of the BaCl2 solution? (d) If 42.7 mL of 0.208 M HCl solution is needed...
(0) How many milliers of 0.155 M HCl are needed to neutralize completely 45.0 ml of 0.101 M Ba(OH)2 solution? ml (b) How many milliliters of 2.50 M H2SO4 are needed to neutralize 25.0 9 of NaOH? (c) If 54.8 ml of BaCl solution is needed to precipitate all the sulfate in a 544 mg sample of Na2SO4 (forming Basod), what is the molarity of the solution? (d) If 37.5 mL of 0.250 M HCl solution is needed to neutralize...