जल की `^^_(m)^(o)` ज्ञात करने का एक तरीका बताइये ।

Explanation

`^^_(m(H_(2)O))^(0)=lamda_(H^(+))^(0)+lambda_(OH^(-))^(0)`
` = ^^_(m(HCl))^(0)+^^_(m(NaOH))^(0)-^^_(m(NaCl))^(0)`