How many grams of glucose should be weighed out to make 1 liter of a rehydration solution that contains 75 mmol of glucose (the molar mass of glucose is 180 g)? A) 14 g B) 1.4 × 10⁴ g C) 0.42 g D) 4.2 × 10^-3 g E) 4.2 × 10^-4 g

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Quizplus · Accepted Answer

To find the mass of glucose needed, use the formula: mass = moles × molar mass. First, convert mmol to moles: 75 mmol = 0.075 mol. Then, multiply by the molar mass of glucose (180 g/mol): 0.075 mol × 180 g/mol = 13.5 g, which rounds to 14 g.

How Many Grams of Glucose Should Be Weighed Out to Make