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Write 450.345 in scientific notation with 4 significant figures.
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Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )
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An atom of element x has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. which element is x
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Write 450.345 in scientific notation with 4 significant figures....
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