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Question

Number of glucose molecules present in 10ml of decimolar solution 
 


Solution

Decimolar means 0.1 M.
Therefore, number of moles of glucose in 10 ml of 0.1 M solution is 0.001, which can be considered as 10^-3
We know that, 1 mole of glucose contains 6.023 x 10^23 molecules,
so 10^-3 moles contains 6.023×10^20 molecules.

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