Chaminade College School Documents (545)
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Chaminade College School Questions & Answers
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- Saccharin, HC7H4NO3S (aq), the oldest artificial sweetener (currently banned in Canada as a suspect carcinogen), is a weak, monoprotic acid. When dissolved in
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- 2. Oxalic acid (H2C2O4 (aq)) is a weak acid with Ka1 = 5.9 x 102- . H2C2O4(aq) \Leftrightarrow H+ (aq) + HC2O4 - (aq) a) Calculate the pH of a 0.020 M solution
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- 1. Cyanic acid, HOCN (aq), is a weak, monoprotic acid used in the manufacture of pesticides. A 0.100 mol/L solution of cyanic acid is found to be 5.90%
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- Calculate the pH of a 0.090 mol/L Al(OH)3(aq) (strong base) solution.
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- 3 a) Write the Ka expression for the 1 st dissociation (in H2O) of H2C02, formic acid. b) Write the Kb expression for the dissociation (in H2O) of NH3, ammonia.
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- Soft drinks are acidic because of carbonation and the addition of phosphoric acid, H3PO4 (aq) (strong acid). If the pH of a cola is found to be 2.7, calculate
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- Which of the following would describe the sketch of the expression xy+2y-3x-6=0
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- if \vec{a} \cdot \vec{b}=8 , then what is \vec{b}\cdot \vec{a} equal to
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