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How many molecules of sucrose are in 0.380 L of a 1.55 M solution of sucrose?

Answer :

Final answer:

To determine the number of molecules of sucrose in a solution, multiply the concentration, volume, and Avogadro's number.


Explanation:

To determine the number of molecules of sucrose in the solution, we can use the formula:

Molecules = concentration (M) x volume (L) x Avogadro's number

Given that the concentration is 1.55 M and the volume is 0.380 L, we can plug in these values:

Molecules = 1.55 M x 0.380 L x 6.022 x 1023 molecules/mol

Simplifying the equation, we get:

Molecules = 3.5131 x 1023 molecules

Therefore, there are approximately 3.5131 x 1023 molecules of sucrose in 0.380 L of a 1.55 M solution of sucrose.


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