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these are the answers to the practice quiz on empirical formulas and molecular formulas number one if the statement is true right true if the statement is false change the underlined words or number or formula to make the statement true so letter A the empirical formula of the compound shown above is ch3 n well if we look at the number of carbon hydrogen and nitrogen atoms in this molecule we get a molecular formula of C for H 12 and 2 if we divide each of those subscripts by 2 we get an empirical formula thatamp;#39;s going to be C 2 H 6 and so therefore statement a is false and you should write C 2 H 6 n to correct the underlined portion for letter B letamp;#39;s take a look at glucose c6h12o6 and if we look at the empirical formula which is dividing each of the subscripts by 6 we get c h2o using the periodic table we can add up the atomic masses of carbon hydrogen and oxygen and we get a molar mass or a formula mass for glucose of 180 0.156 if we do the same for the empirical form
