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calculate the molarity of the solution obtained by dissolving 20.6 grams of NaBR in 500 ml of water molecular mass of Na BR is equals to 103 |
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Answer» MOLARITY = No. of moles of SOLUTE / VOLUME of Solvent in Litres => 20.6/103 × 1000/500 = 0.2 × 2 = 0.4M |
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