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18 Nov 2019

Some of the formulas below could be either molecular or empirical formulas; however, some could only be molecular formulas. Which of the following formulas must be molecular formulas? Select all that apply. NO_2 C_4H_8O_4 CH C_4H_5N_2O C_2H_6

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Some of the formulas below could be either molecular orempirical formulas; however, some could only be molecular formulas.Which of the following formulas must be molecular formulas? Selectall that apply.

C4H8O4

NO2

P2O5

C2H6

Which of thefollowing statements regarding empirical and molecular formulas isCORRECTt?

	A.	Information onpercent composition is all that is necessary to determine both anempirical and a molecular formula.
	B.	A compound with anempirical formula of CH₂O and a molar mass of 90 g/molwould have a molecular formula ofC₃H₆O₃.
	C.	The compoundsC₂H₄ and C₃H₆ havedifferent empirical formulas.
	D.	The compound benzenehas a molecular formula of C₆H₆, so itsempirical formula would be C₃H₃.
	E.	The formulaCa₂Cl₄ is the correct empirical formula forcalcium chloride.

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Some of the formulas below could be either molecular or empirical formulas; however, some could only be molecular formulas. Which of the following formulas must be molecular formulas? Select all that apply. NO_2 C_4H_8O_4 CH C_4H_5N_2O C_2H_6

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