Question

Calculate the number of water molecules and number of oxygen and hydrogen atoms​

Answer 1

Answer:

1 water molecule(H2O) contain 1 oxygen atoms. So, number of oxygen atoms in 0.03 mole of water = 0.03 x 6.022 x 1023 = 1.8 x 1022 atoms of oxygen. 1 water molecule(H2O) contain 2 hydrogen atoms

Answer 2

Answer:

Number of water molecules in 0.03 mol of water = 0.03 x 6.022 x 1023 = 1.8 x 1022 molecules of water. 1 water molecule(H2O) contain 1 oxygen atoms. So, number of oxygen atoms in 0.03 mole of water = 0.03 x 6.022 x 1023 = 1.8 x 1022 atoms of oxygen. 1 water molecule(H2O) contain 2 hydrogen atoms. So, number of hydrogen atoms in 0.03 mole of water = 2 x 0.03 x 6.022 x 1023 = 3.6 x 1022 atoms of hydrogen

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