Which of the following statements about57.1g of octane, C8H18 is (are) not true?

Question

   Which of the following statements about57.1g of octane, C8H18 is (are) not true? (a.) 57.1 g is 0.500 mol of octane (b) the compound is 84.1% C by weight. (c) the empirical formula of the compound is C4H9 (d) 57.1 g of octane contains 28.0g of hydrogen atoms.    Which of the following statements about57.1g of octane, C8H18 is (are) not true? (a.) 57.1 g is 0.500 mol of octane (b) the compound is 84.1% C by weight. (c) the empirical formula of the compound is C4H9 (d) 57.1 g of octane contains 28.0g of hydrogen atoms.

Explanation / Answer

All are true except D. 57.1g of Octane contains only 9.1 grams of H. Hope this helps, steve

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