Question

calculate ph of 5×10^-3 M H2So4 slotion​

Answer 1

Answer:

H2SO4 will dissociate as follows:

H2SO4-----2H+ + SO4--

Since H2SO4 is a strong electrolyte, it will furnish twice as many ions in its aqueous solution as the number of molecules.Therefore the concetration of H+ ions will be double the concentration of H+ ions.Therefore H+ ion concentration is 2x5x10-3 that is 10x10-3=10-2.Now pH = -Log[H+].Therefore pH= -Log10-2=-(-2)=+2.

Therefore pH is +2

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