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So first I got g of KCl solute:

.273 (m) * 74.5513 (g/m) = 20.35 g

Total mass of solution = 1020.35g (since 1000g solvent per .273m solute).

Now density = mass/volume

Thus, volume = mass/density:

V = 1020.35 (g) / 1.011 (g/ml) = 1009 mL or 1.009 L

Now, molarity = moles/volume

So, M = .273/1.009

**= .271**

However, the accepted solution says .276 and does the problem differently, so I'm having trouble understanding if this is the correct or incorrect way of doing things.

Thank you!