Calculate the number of mmoles of primary standard grade, Ask an Expert

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A 0.1105 g sample of primary standard grade Na2CO3 (M.M. = 105.99) was dissolved in 55 mL of distilled H2O. The solution required 22.18 mL of the HCl solution to reach the methyl orange end point. a. Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.

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