What is the molarity of a solution prepared by dissolving 54.3 g of Ca(NNO₃)₂ into 355 mL of water? A)0.331 M B)0.932 M C)0.117 M D)1.99 M E)none of the above

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Quizplus · Accepted Answer

To find the molarity, first calculate the molar mass of Ca(NO3)2, which is approximately 164.1 g/mol. Then, convert 54.3 g to moles: 54.3 g / 164.1 g/mol = 0.331 moles. Finally, convert 355 mL to liters (0.355 L) and divide the moles by the volume in liters: 0.331 moles / 0.355 L = 0.932 M.

What Is the Molarity of a Solution Prepared by Dissolving