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06-03-2024
Chemistry

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One hydrogen atom weighs 1.67 * 10⁻²⁴ g and one oxygen atom weighs 2.66 * 10⁻²³ g. How much does 5 molecules of water weigh?
(a) 6.0 * 10⁻²² g
(b) 7.5 * 10⁻²² g
(c) 8.0 * 10⁻²² g
(d) 9.5 * 10⁻²² g

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