Question
How many moles of KBr are present in 150 mL of a 0.122 M solution?
How many moles of KBr are present in 150 mL of a 0.122 M solution?
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Koala Tutor
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To find the number of moles of KBr in the solution, we need to use the equation:
moles of solute (KBr) = concentration of solute (KBr) x volume of solution (in liters)
First, we need to convert the volume of the solution from milliliters to liters:
150 mL = 150/1000 = 0.15 L
Now we can calculate the number of moles:
moles of KBr = 0.122 M x 0.15 L
moles of KBr = 0.0183 moles
Therefore, there are 0.0183 moles of KBr present in 150 mL of a 0.122 M solution.
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