What is the mass of NaCl required to make 140 grams of a 12% solution of NaCl in water?
2 answers:
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Answer:
Explanation:
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In this case, according to the given information, it turns out necessary for us remember that the first-order kinetics is given by:
Whereas the 27.5% complete means A/Ao=0.275, and thus, we solve for the rate constant as follows:
Then, we plug in the variables to obtain:
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