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Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

How many litres of water must be added to 1 litre of an aqueous solution of $H N O_{3}$ with a pH of 1 to create an aqueous solution with pH of 2?

Options:

Answer:

Solution:

$p H = 1$
$[H^{+}] = 1 0^{- 1} = 0.1 M$
$p H = 2$
$[H^{+}] = 1 0^{- 2} = 0.01 M$
For dilution of $H N O_{3}$ , we have
$M_{1} V_{1} = M_{2} V_{2}$
$0.1 \times 1 = 0.01 \times V_{2}$
$V_{2} = 10$ litre
Volume of water added $= 10 - 1 = 9$ litre

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Ionic EquilibriumSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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