A sample of hard water contains 20mg of ca ions per liter
A sample of hard water contains 20mg of Ca++ ions per liter. Explain how many milliequivalents of Na2Co3 would be required to soften 1 liter of sample?
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a 20 l solution contains ag 0100 m and pb2 0100 m ksp 18 10-10 for agcl and ksp 18 10-5 for pbcl2 explain the
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a solution of oxalic acid cooh2 2h2o is prepared by dissolving 063g of acid in 250ml of the solution compute 1
a sample of hard water contains 20mg of ca ions per liter explain how many milliequivalents of na2co3 would be required
if 325 g of x reacts with 400 g of m to produce 725 g of a compound with the formula m3x2 as well as the atomic mass of
if c4h9oh n-butanol burns in air to produce co2 and water explain how many moles of oxygens are required for the
even the most inoffensive substances can become hazardous under the right circumstances multi-vitamins are commonly
explain what is the molarity of a hydrochloric acid solution prepared by diluting 5000ml of 100 m hcl to a total volume
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