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How many atoms are there in a molecule of H2O?

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First answer by ID0410444647. Last edit by ID0410444647. Question popularity: 1 [recommend question].

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How many different atoms are in a molecule of H2O?
A molecule of H2O contains exactly 3 atoms, which are one atom of oxygen and two atoms of hydrogen. That means an atom of water consists of two different types of atoms.
How many atoms are in zinc or how many atoms are in a molecule?
Zinc is an atom however there are 30 proton and electrons in a zinc atom. The number of atoms depends on the molecule, I'm sorry
How many molecules of oxygen atoms are in 4 moles of H2O?
4 moles of oxygen atoms (being present in 4 moles of H2O) and, so: 4 moles of oxygen atoms is 4*6.02*1023 = 24.1*1023 molecules ATOMS of oxygen
How many molecules of H2O are in 18g of H2O?
18 grams H2O (1 mole H2O/18.016 grams)(6.022 X 10^23/1 mole H2O molecules) = 6.02 X 10^23 molecules of H2O