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pH and Titrations (Worksheet)

  • Page ID
    20044
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    Section: _____________________________

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    Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.

    Q1.

    What is the pH of 0.0111M \(H_3O^+\)? Is the solution neutral, acidic, or basic?

    Q2.

    What is the pH of \(1.23 \times 10^{‐3}\; M \;HCl\)? Is the solution neutral, acidic, or basic?

    Q3.

    What is the pH of 0.0333 M \(H_3O^+\)? Is the solution neutral, acidic, or basic?

    Q4.

    What is the pH of 0.0347 M \(H_3O^+\)? Is the solution neutral, acidic, or basic?

    Q5.

    What is the pH of \(5.04 \times 10^{‐3} \; M \;H_3O^+\)? Is the solution neutral, acidic, or basic?

    Q6.

    What is [\(H_3O^+\)] of a solution with a pH of 9.78?

    Q7.

    What is [\(H_3O^+\)] of a solution with pH of 4.33?

    Q8.

    What is [\(H_3O^+\)] of a solution with pH of 2.77?

    Q9.

    What is [\(H_3O^+\)] of a solution with pH of 5.18?

    Q10.

    If 25.8mL of \(AgNO_3\) is needed to precipitate all the \(Cl^‐\) ions in a 785 mg sample of \(KCl\) (precipitating \(AgCl\)), what is the molarity of the \(AgNO_3\) solution?

    Q11.

    If 45.3 mL of 0.108 M HCl solution is needed to neutralize a solution of \(KOH\), how many grams of \(KOH\) must be present in the solution?

    Q12.

    How many millitliters of 0.120 M HCl are needed to completely neutralize 50.0mL of 0.101 M \(Ba(OH)_2\) solution?

    Q 13.

    If 55.8 mL of \(BaCl_2\) solution is needed to precipitate all the sulfate ion in a 752 mg sample of \(Na_2SO_4\), what is the molarity of the solution?

    Q14.

    If 42.7 mL of 0.208 M HCl solution is needed to neutralize a solution of \(Ca(OH)_2\), how many grams of \(Ca(OH)_2\) must be in the solution?