Question

to prepare 1m solution of oxalic acid​

Answer 1

Answer:

In order to prepare M/10oxalic acid solution, 12.6 g of oxalic acid should be dissolved per litre of solution. Alternatively, 12.6 /4 = 3.15 g of oxalic acid crystals should be dissolved in water and the solution be made exactly 250 ml

Explanation:

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Answer 2

Dissolution of 90g of oxalic acid in 1000g of a solvent yields 1m solution of oxalic acid.

• A molal solution indicates that one mole of solute is dissolved in one kilogram of solvent. Molality is denoted by the symbol, $m$
• In contrast to molarity where volume is considered, solvent weight is considered in molality.
• Oxalic acid is a dicarboxylic acid with the molecular formula $C_{2} H_{2} O_{4}$ and a molecular weight of 90g.
• Thus one mole of oxalic acid weighs 90g.
• To prepare one molal solution, 90g of oxalic acid must be dissolved in 1000g of solvent.