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19 September, 17:45

The mass of a carbon atom is 1.994 * 10-23 grams. The mass of a hydrogen atom is 1.67 * 10-24 grams. What is the difference of their masses?

0.324 * 10-24 grams

1.827 * 10-23 grams

1.827 * 10-24 grams

0.324 * 10-23 grams

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Answers (1)
  1. 19 September, 21:04
    0
    1.994 x 10^-23

    -0.167 x 10^-23

    1.827 x 10^-23

    Correct answer is the second one.
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