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Acids and Bases 2013

070 mol of methylamine in water and diluting to 8000ml

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Unformatted text preview: n of morphine if its pKb = 5.79 Page 3 of 4 Becky Mitchell (rfm64) Max Young (mty5) CHEM 111 11/10/13 7. Methylamine is a weak base with Kb= 4.4 X 10 ­4. Calculate the pH of a solution made by dissolving 0.070 mol of methylamine in water and diluting to 800.0mL. Conceptual Problems 8. The different definitions of acids/bases contradict each other. T F 9. A solution with a low pH has a low concentration of hydronium ions. T F 10. Strong acids are weak electrolytes. T F 11. pH is temperature dependent. T F 12. Nothing can act as both an acid and a base. T F 13. You should determine if you have a strong or weak acid/base before starting the problem. T F 14. Strong acid and base problems cannot be solved with (R)ICE charts. T F 15. Strong acids have low pHs and strong bases have high pHs. T F 16. The value of Kw is 1.00*10 ­14. T F 17. Strong acids and bases are dangerous. T F Page 4 of 4...
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