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31-03-2020
Chemistry

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What is the molarity of 62grams of ammonium in 5liters of water?

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PolymathAlpha1022 PolymathAlpha1022

31-03-2020

Answer:

Explanation:

First we need to find how many moles of ammonium weigh 62 grams.

Molar mass of NH4 = (14.0)+(4*1.0) grams

or 18.0 grams/mole

62 (g)/18(g/mole) = 3.444... moles of NH4

If it is dissolved in 5 litres of water, the concentration will be 3.444moles/5L

or 0.6888 M.

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