Chemistry, asked by babu4052, 1 year ago

To determine the amount of total hardness present in given sample of water by edta titration method

Answers

Answered by Rohit65k0935Me

2

It takes 17.1 PPM to equal 1 GPG. If a test for hard water is measured in parts per million or milligrams per liter you can take the total hardness level and divide it by 17.1 to get hardness in grains per gallon. For example if your water test shows 250 mg/L hardness you actually have 14.62 grains per gallon.

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