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How many molecules of water are in 1.8 moles of water

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Final answer:

To find the number of molecules in 1.8 moles of water, you can multiply the number of moles by Avogadro's number, which is 6.022 x 10^23. Therefore, the number of molecules in 1.8 moles of water is approximately 1.0816 x 10^24 molecules.

Step-by-step explanation:

To determine the number of molecules in 1.8 moles of water, you can use Avogadro's number, which states that 1 mole of any substance contains 6.022 x 10^23 particles. Since water (H2O) is comprised of 3 atoms (2 hydrogen and 1 oxygen), each water molecule contains 3 particles. Therefore, to find the number of molecules in 1.8 moles of water, you multiply the number of moles by Avogadro's number:

Number of molecules = 1.8 moles x (6.022 x 10^23 molecules/mole) = 1.0816 x 10^24 molecules of water.

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