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Sodium chloride (90.00 grams) is added to a 1.00-L volumetric flask (Flask A) into which distilled water is added to dissolve the salt. Eventually the volume of the solution is adjusted, by adding more distilled water, to exactly 1.00 L.

10.00mL of solution is taken from Flask A and added to an empty 100.00 mL volumetric flask (Flask B), and enough distilled water is added to bring the total volume to 100.00 mL.

What is the concentration of $NaCl$ in Flask B?


9.00% g/L


0.900% g/L


9.00 g/L


9.00 mol/L

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