Question
The $pH$ of a solution having $[{H^ + }] = 10 \times {10^{ - 4}}\,\,moles/litre$ will be

Answer

$0.001 \,M\, HCl $ $ = {10^{ - 3}}\,M\,[{H^ + }],$ $pH = 3$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$(A)$ ના દ્વિબંધ  સમકક્ષ કેટલા છે ?
For a certain reaction at $300 K, K =10$, then $\Delta G ^{\circ}$ for the same reaction is $............\times 10^{-1}\ kJ \ mol ^{-1}$. $($Given $R =8.314 JK ^{-1} mol^{-1} )$
How many of the following metal ions have similar value of spin only magnetic moment in gaseous state? 

(Given: Atomic number: $V , 23 ; Cr , 24 ; Fe , 26;Ni , 28)$

$V ^{3+} \cdot Cr ^{3+}, Fe ^{2+}, Ni ^{3+}$

The sum of coordination number and oxidation number of the metal $M$ in the complex $[M(en)_2(C_2O_4)]Cl$ (where $en$ is ethylenediamine)
In the given reaction

$[Image]$

the number of $sp ^{2}$ hybridised carbon (s) in compound ' $X$ ' is $.....$

The electronic spectrum of $\left[ Ti \left( H _{2} O \right)_{6}\right]^{3+}$ shows a single broad peak with a maximum at $20,300\, cm ^{-1} .$ The crystal field stabilization energy $(CFSE)$ of the complex ion, in $kJ\, mol ^{-1}$, is :
$CNG$ is an important transportation fuel. When $100 \,g$ $CNG$ is mixed with $208$ oxygen in vehicles, it leads to the formation of $CO _{2}$ and $H _{2} O$ and produces large quantity of heat during this combustion, then the amount of carbon dioxide, produced in grams is  ...... [nearest integer] [Assume CNG to be methane]
Time required for $99.9 \%$ completion of a first order reaction is . . . . . . . time the time required for completion of $90 \%$ reaction.(nearest integer).
The equivalent weight of $H_3PO_4$ in following reaction is $H_3PO_4 + Ca(OH)_2 \to CaHPO_4 + 2H_2O$
$16.8$ litre gas containing ${H_2}$ and ${O_2}$ is formed at $NTP$ on electrolysis of water. What should be the weight of electrolysed water .............. $\mathrm{g}$