Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>Question>Q 15

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AS and A Level

IMPORTANT

Earn 100

Which one of these is the correct numerical value for the solubility product for bismuth sulfide ${Bi}_{2} S_{3}$ ? Solubility of ${Bi}_{2} S_{3}$ = $3.6 x 10^{- 8} mol {dm}^{- 3}$ .

50% studentsanswered this correctly

Important Questions on Further Aspects of Equilibria

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AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 1

Write general expressions for the term:

$pH$

EASY

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 1

Write general expressions for the term:

$K_{w}$

EASY

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 1

Write general expressions for the term:

$K_{a}$

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AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 1

Calculate the pH of

0.004 mol {dm}^{- 3} HCl (aq)

. Show your working.

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AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 1

Calculate the pH of

0.004 00 mol {dm}^{- 3}

butanoic acid(aq).

(K_{a} = 1.51 x 10^{- 5} mol {dm}^{- 3})

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AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 1

0.25 mol

of sodium hydroxide is dissolved in

2.00 {dm}^{3}

of water. Calculate the concentration and pH of the sodium hydroxide solution.

(K_{w} = 1.00 x 10^{- 14} mol {dm}^{- 3})

MEDIUM

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 2

Calculate the

pH

of a solution containing

0.100 mol {dm}^{- 3}

ethanoic acid and

0.100 mol {dm}^{- 3}

sodium ethanoate?

(K_{a} of {CH}_{3} COOH = 1.74 x 10^{- 5} mol {dm}^{- 3})

EASY

AS and A Level

IMPORTANT

Chemistry for Cambridge International AS & A Level Coursebook with Digital Access (2 Years)>Chapter 21 - Further Aspects of Equilibria>EXAM-STYLE QUESTIONS>Q 2

How many moles of sodium ethanoate must be added

2.00 {dm}^{3}

of

0.0100 mol {dm}^{- 3}

ethanoic acid to produce a buffer solution

pH 5.40

?

(K_{a} of ethanoic acid = 1.74 \times 10^{- 5} mol {dm}^{- 3})