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For the preparation laboratory of a 4% solution (weight / volume) sodium hydroxide at from 50...

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Chemistry

For the preparation laboratory of a 4% solution (weight /volume) sodium hydroxide at from 50 mL of a 5 mol solution. L-1this basis, it is necessary(explain your answer) Data: molar mass(g mol-1): Na = 23 O = 16 H= 1

a) adding 200 ml of water. b) adding 250 ml of water. c) adding500 ml of water. d) evaporating 200 mL of water. e) evaporating 250mL of water.

Answer & Explanation Solved by verified expert
4.3 Ratings (674 Votes)
First is important that you know equations involvedwv wweight vvolumeEQ1For preparation of a solution for dilution as in our case youwill have the same moles or grams of solute but with a greateramount of solvent after dilution    See Answer
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