Explain the difference in pH between diH2O and tap water

Calculate the degree of ionization of morphine, pKa 8.0, in a solution with a pH of 2.2. Predict how the degree of ionization could affect the ease of absorption of morphine in (a) the stomach and (b) the intestine when the pH of the stomach fluid is 2.0 and the pH of the intestinal fluid is 6.

Calculate the pH of a sample of rainwater if it is left to cquilibrate with 2.0 ppmv of SO2 (KH = 1.2 molL atm). Assume SO2 is the only acidic gas present. Given: KH (SO2)= 1.2 mol L K (H2SO) = .7 x 10 mol K (H2SO) =6.6 x 10 mol atm

What is the base in the following chemical reaction? MgH₂(s) + 2H₂O(l) → Mg(OH)₂(s) + 2H₂(g)

Calculate K₂ or K from experimental data. The pH of a 0.14-M solution of chlorous acid (HCIO₂) is measured to be 1.49. Use this information to determine a value of Ka for chlorous acid. HCIO₂(aq) + H₂O(l)=CIO₂ (aq) + H₂O˚(aq) K₂ =

Write the basic equilibrium equation for HONH₂.

What is the pH of a 0.950 M solution of Na2HPO4? H3PO4 is a weak polyprotic acid with Ka1 = 7.2×10‒3, Ka2 = 6.3×10‒8, and Ka3 = 4.2×10‒13.

Calculate the concentration of H3O+ in a solution that contains 4.4 × 10–6 mol L–1 OH– at 25 °C. Also identify the solution as acidic, basic, or neutral.     2.1 × 10–3 mol L–1, basic     2.3 × 10–9 mol L–1, acidic     2.1 × 10–3 mol L–1, acidic     2.3 × 10–9 mol L–1, basic     4.4 × 10–6 mol L–1, neutral

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For a tablet containing 1000 mg of vitamin C, calculate the minimum concentration of the NaOH solution so that the titration would take no more than 45.00 mL of the NaOH from the buret.