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Explanation:

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The mass of 4.20 moles of C6H12 is 352.8g

HOW TO CALCULATE MASS:

  • The mass of a substance can be calculated by multiplying the number of moles of the substance by its molar mass. That is;

  • mass of C6H12 = no. of moles × molar mass

  • According to this question, there are 4.20 moles of C6H12. The mass of C6H12 can be calculated as follows:

  • Molar mass of C6H12 = 12(6) + 1(12) = 72 + 12 = 84g/mol

  • mass of C6H12 = 84 × 4.2

  • mass of C6H12 = 352.8g

  • Therefore, the mass of 4.20 moles of C6H12 is 352.8g.

Learn more about how to calculate mass: https://brainly.com/question/20091306?referrer=searchResults