In 2014, a major chemical leak at a facility in West Virginia released 7500 gallons of MCHM (4- methylcyclohexylmethanol, C3H16O) into the Elk River. The density of MCHM is 0.9074 g/mL.
Part A. Calculate the initial molarity of MCHMMCHM in the river, assuming that the first part of the river is 7.60 feet deep, 100.0 yards wide, and 100.0 yards long. 1 gallon = 3.785 LL.
Express your answer to four sig figs.
Part B. How much farther down the river would the spill have to spread in order to achieve a "safe" MCHMMCHM concentration of 1.00×10−4M1.00×10−4M? Assume the depth and width of the river are constant and the concentration of MCHMMCHM is uniform along the length of the spill.
Concentration of a substance can be expressed in various terms like, molarity, molality, normality etc.
Molarity is most commonly used term for concentration.
Molarity is number of moles of solute present per liter of the solution.
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