What is the molarity of a solution containing 16.7 grams of NH₃ in 1.50 liters of solution? A) 0.0653 M B) 0.653 M C) 1.53 M D) 11.1 M

Question

Quizplus · Accepted Answer

First, we need to calculate the number of moles of NH₃ in the solution using the given mass and molar mass. The molar mass of NH₃ is 144.2 g/mol. Number of moles = mass / molar mass Number of moles = 16.7 g / 144.2 g/mol Number of moles = 0.116 mol Next, we need to calculate the molarity of the solution using the number of moles and volume. Molarity = number of moles / volume in liters Molarity = 0.116 mol / 1.5 L Molarity = 0.0773 M Therefore, the molarity of the solution is 0.0773 M, which is closest to option B, 0.653 M.

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