Chemistry, asked by LavishaJain1137, 9 months ago

Why is HCL kept ontop of sand

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Answered by tusharraj77123

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NutriAg Ltd. Acid washing of sand is done to displace any cations (e.g. K, Ca, Mg, Fe ions) off of the sand's cation exchange sites. This is followed by rinsing with deionized water to get rid of the Cl-. ... After incubating you can pour off the excess solution, rinse with moreHCl, and then begin rinsing with water.

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