Answered

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A chemistry student needs 60.0 g of 2-ethyltoluene for an experiment. He has available 1.5 kg of a 15.3% w/w solution of 2 ethyltoluene in carbon tetrachloride Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button. Round your answer to 3 significant digits.

Sagot :

maacastrobr

Answer:

392 g

Explanation:

The given concentration tells us that in 100 g of solution, there would be 15.3 g of 2-ethyltoluene.

With that in mind we can calculate how many grams of solution would contain 60.0 g of 2-ethyltoluene:

  • Mass of solution * 15.3 / 100 = 60.0 g 2-ethyltoluene
  • Mass of solution = 392 g
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