The mass of oxalic acid dihydrate is 1.4918g. Funneled into a 250ml flask and filled with water. What is the Concentration of oxalic acid.?
回答 (1)
2016-02-20 9:00 am
✔ 最佳答案
Molar mass of H₂C₂O₄•2H₂O = 1×6 + 12×2 + 16×6 = 126 g/molConcentration of oxalic acid
= (No. of moles of oxalic acid) / (Volume of solution in L)
= (1.4918/126) / (250/1000)
= (1.4918/126) × (1000/250)
= 0.0474 M
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