How many grams of glucose are in 100. mL of the final solution

[From: ] [author: ] [Date: 12-06-22] [Hit: ]

mL mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 20.0 mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100 mL.......

A student placed 11.0g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 20.0 mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100 mL. of the final solution?

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initial solution = 11g/100 mL = 110g/L .
then 20 mL are diluted to 500 mL = 1:25
----> the concentration is now 110/25 g/L = 4.4 g/L
-----> = 0.44 g/100 mL

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