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Laws of Definite Proportions, Multiple Proportions

Concentration...

Question

Concentration of glucose in blood is approximately 90 mg/100 ml. The molarity of glucose solution in blood is

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Solution

$M o l a r i t y = \frac{N o o f m o l e s o f s o l u t e}{V o l o f t h e s o l u t i o n i n L} N o o f m o l e s o f t h e s o l u t e = \frac{G i v e n m a s s i n g}{m o l e c u l a r m a s s} = \frac{90}{180} M o l a r i t y = \frac{\frac{90}{180}}{0.1} = 5 \times 10^{- 3} M$

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