Respuesta :
The concentration of the diluted solution is 1.11M , using formula M1V1=M2V2 (whereM = molarity , V = volume).
The formula M1V1=M2V2 is the most widely used.
You must ensure that M stands for Molarity and V for Volume in Liters in this formula. You must divide 29.0 mL by 1,000 in order to convert this problem's mL to L units (mL =.0290 L).
M1 is the specified molarity (7.71M), and V1 is the specified molarity's volume (.0290 L).
The final molarity M2 is what we are looking for, and the final volume V2 equals 1000 L. (remember to convert the 200.0 mL to L)
Fill in the formula with your numbers.
(X) × (0.2000 L) = (7.71M) × (0.0290 L)
(7.71M) × (0.0290 L) / (0.2000 L) = (X)
1.11M = X
Given that we maintained the same number of moles in the solution, this makes sense.
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