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- 24. A solution of volume 0.500 L contains 1.68 g NH3 and 4.05 g (NH4)2SO4. (a) What is the pH of this solution? (b) If 0.88 g NaOH is added to the solution, what will be the pH? (c) How many milliliters of 12 M HCl must be added to 0.500 L of the original solution to change its pH to 9.00?Ammonia is a weak base that is a household cleaner and has a Kb =1.8 x 10-5. What is the pH of a 3.0 M solution of ammonia (NH3)?A solution of sodium cyanide, NaCN, has a pH of 11.90. How many grams of NaCN are in 615 mL of a solution with the same pH? Kb (CN–) = 1.7 × 10–5
- The pH of a solution of Ba(OH)2 was 11.489. What was its concentration?The concentration of hydronium ion in a sample is 3.5 x 10-7 mol/L. What is the pH of the above solution? The question should be answered to the proper number of significant digits.Find the pH of a 0.0015 M morphine solution (weak base), Kb = 1.6 x 10−6.
- Would you expect a solution of ammonium chloride (NH4Cl) to be acidic or basic when added to water? Kb NH3= 1.8 x 10-5The concentration of hydronium ion in a sample of a solution is 4.5 x 10-3 mol/L. What is the pH of this solution? The answer should be to the proper number of significant digitsThe pOH of an aqueous solution of 0.392 M hydrocyanic acid, (K₁ (HCN) = 4.0 × 10−¹⁰) is
- 12) What is the concentration of H+ ions in HCl whose pH is 6.9?10. Calculate the pH of a solution of CH3NH2(aq) Methylamine, Kb = 4.3x104 that has an initial concentration of 0.20 M? Is it acidic, basic, or neutral solution?Suppose a 0.028M aqueous solution of phosphoric acid (H₂PO₂) is prepared. Calculate the equilibrium molarity of HPO4. You'll find information on the 2- properties of phosphoric acid in the ALEKS Data resource. Round your answer to 2 significant digits. M x10 x 3 ?