Question

how to calculate ph of lead nitrate in aqueous solution

Answer 1

put litmus paper on the solution observe the colour and than compate the colour on the ph scale
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Answer 2

•it is given that lead nitrate is in aqueous solutions
•so sink half of the litmus paper and observe the colour change then compare the colour with the pH scale
•the color in the scale that matches the changed colour of the litmus paper is its pH value
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