If the relative mass of a hydrogen atom is 1/4 that of a helium atom,how many hydrogen atoms would you need to equal the mass of four helium atoms? A)16 B)4 C)1/4 D)25 E)6.022 × 10²³

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Quizplus · Accepted Answer

Since the mass of a hydrogen atom is 1/4 that of a helium atom, you would need 4 hydrogen atoms to equal the mass of 1 helium atom. Therefore, to equal the mass of 4 helium atoms, you would need 4 times 4, which is 16 hydrogen atoms.

If the Relative Mass of a Hydrogen Atom Is 1/4