# Help with a Primary Standard Equation

I can't seem to get an equation for this reaction.Potassium Biphthlate + Sodium Hydroxide give me what? Both are dissolved in water. Need to figure out the equation to standardize the sodium hydroxide.

NaOH + KHC8H4O4 -->

All are aqueous.

EDIT: read the sticky right after posting, sorry will post in the other section delete pls.

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jani

Hardness of water

how can we calculate the Hardness of water plz give detailed calculation
thanks
jani
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