In the chemical formula H2O , which description explains what the 2 represents?
O the number of oxygen atoms
O the number of water molecules
the number of hydrogen atoms
o
the electrical charge on the water molecule

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nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.

b is the correct answer

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the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.