The Mass of the Sun Is 2

question 29

Multiple Choice

The mass of the Sun is 2.0 *10³⁰ kg, and the mass of a hydrogen atom is 1.67 *10^-27 kg. If we assume that the Sun is mostly composed of hydrogen, how many atoms are there in the Sun?

• A) 1.2 * 10⁵⁶ atoms
• B) 3.4 * 10⁵⁶ atoms
• C) 1.2 * 10⁵⁷ atoms
• D) 2.4 * 10⁵⁷ atoms

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