29. The mass of oxalic acid crystals (H,C,O, 2H,O) requito prepare 50 – InterviewSolution

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29. The mass of oxalic acid crystals (H,C,O, 2H,O) requito prepare 50 mL of a 0.2 N solution is:(a) 4.5 g(c) 0.63 g(b) 6.3 g(d) 0.45 g

Answer»

how did u get 0.5 litres50ml =0.05 litrs

0.2 × 63 × 50/1000 = 0.63g

ok got it

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