The density of a solution prepared by dissolving of urea in of water is . The molarity of the solution is:

Question

The density of a solution prepared by dissolving  of urea in  of water is . The molarity of the solution is:

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Strategy:
 First find the mass of the total solution (). Use the density to convert this total mass into volume, then divide the moles of solute by this volume (in Litres) to get molarity.

Step 1: Find mass and volume of solution
Total mass .
Volume .

Step 2: Calculate molarity
Moles of urea .

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