A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a volumetric flask. A 50.00 mL aliquot portion of the dilute soda ash solution needed 4.50 mL of 0.1200 M HCl to reach the phenolphthalein end point and 10.00 mL to reach the methyl orange end point. What is the %Na CO (%w/w) present in the soda ash sample? FW Na CO = 105.99 g/mol (Hint: Use dilution factor)
A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a volumetric flask. A 50.00 mL aliquot portion of the dilute soda ash solution needed 4.50 mL of 0.1200 M HCl to reach the phenolphthalein end point and 10.00 mL to reach the methyl orange end point. What is the %Na CO (%w/w) present in the soda ash sample? FW Na CO = 105.99 g/mol (Hint: Use dilution factor)
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.107E
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A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a volumetric flask. A 50.00 mL aliquot portion of the dilute soda ash solution needed 4.50 mL of 0.1200 M HCl to reach the phenolphthalein end point and 10.00 mL to reach the methyl orange end point.
What is the %Na CO (%w/w) present in the soda ash sample? FW Na CO = 105.99 g/mol (Hint: Use dilution factor)
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