Chemistry, asked by diya9294, 5 hours ago

calculate the ph of 5×10^-4 m ca(oh)2​

Answers

Answered by nsnaruka1980
1

Explanation:

Answer

Molarity =10

−8

∴ Normality =2×10

−8

pOH=−log[

OH]=−log[2×10

−8

]=−log2+[−log10

−8

]=−0.3010+8=7.69

∵pH+pOH=14

∴pH=14−pOH=14−7.69=6.31

∴ pH of 10

−8

molar Ca(OH)

2

=6.31

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