Intext problems I — task. Science State Board, Class 10.

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Calculate the pH of $0.001$ molar solution of $HCl$ .

$HCl$ is a and is in its solutions according to the
process:

$HCl_{(aq)}→ H^+_{(aq)}+Cl^–{(aq)}$

From this process, it is clear that one mole of

$HCl$ would give one mole of

$H^+$ ions.

Therefore, the, i.e.,

$0.001$ molar or

$1.0\times10^{–3}$

$mol$

$litre^{–1}$ .

Thus,

$[H^+] = 1\times10^{–3}$

$mol$

$litre^{–1}$

$pH = –log_{10}[X]$

Where, X is

$= –log_{10}10^{–3}$

Thus,

$pH=$

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23. Intext problems I