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Answers

⑹NaCl0.10[g]〜0.10/40[mol]
[OH⁻]=0.10/40[mol]÷0.250[L]=1.0×10⁻²[mol/L]
pOH=2より、pH=14ーpOH=14ー2=12

⑺HCl1.12[L]〜1.12/22.4[mol]
[H⁺]=1.12/22.4[mol]÷0.50[L]=0.10[mol/L]
pH=1

ありがとうございます!!

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