A 4 g sugar cube (sucrose: C12H22O11) is dissolved in a 350 ml teacup filled with hot water. What is the molarity of the sugar solution?
Question
A 4 g sugar cube (sucrose: C12H22O11) is dissolved in a 350 ml teacup filled with hot water. What is the molarity of the sugar solution?
Solution
Sure, here are the steps to calculate the molarity of the sugar solution:
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First, we need to convert the mass of the sugar cube from grams to moles. The molar mass of sucrose (C12H22O11) is approximately 342.3 g/mol. So, 4 g of sugar is 4 g / 342.3 g/mol = 0.0117 moles.
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Next, we need to convert the volume of the water from milliliters to liters. 350 ml is equal to 0.35 liters.
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Finally, we calculate the molarity of the solution by dividing the number of moles of sugar by the volume of water in liters. So, the molarity is 0.0117 moles / 0.35 liters = 0.0334 M.
So, the molarity of the sugar solution is 0.0334 M.
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