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Atoms and Molecules
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12/11/2021 12:55 pm
Topic starter
Fill in the following blanks with suitable words:
(a) In water, the proportion of oxygen and hydrogen is _____ by mass.
(b) In a chemical reaction, the sum of the masses of the reactants and the products remain unchanged. This is called _____.
1 Answer
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12/11/2021 12:56 pm
(a) 1 : 8
(b) Conservation of mass