How many atoms of hydrogen are present in 1.5 lb of hydrogen peroxide, which is 5.93% hydrogen? (1 lb = 454 grams) A) 2.4 × 10²⁵ atoms B) 1.21 × 10²⁵ atoms C) 1.2 × 10²⁵ atoms D) 2.41 × 10²⁵ atoms E) 1.2 × 10²⁰ atoms

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1.5 lb of hydrogen peroxide is 681 grams. 5.93% of 681 grams is 40.3 grams of hydrogen. 40.3 grams of hydrogen is 2.41 × 10²⁵ atoms of hydrogen.

How Many Atoms of Hydrogen Are Present in 1