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Answer:
3.00 × 10²³ atoms H
Explanation:
Step 1: Given data
Step 2: Calculate the number of atoms of hydrogen
According to the chemical formula of water, the atom ratio of H to O is 2:1.
1.50 × 10²³ atoms O × 2 atoms H/1 atom O = 3.00 × 10²³ atoms H