Multiple ChoiceWhich of the following shows the correct number of atoms of each element in the formula Mg(NO3)2?35views
Multiple ChoiceGiven that the empirical formula of a compound is C_3H_5 and its molecular mass is 205.4 g/mol, what is the value of n in the relationship: molecular formula = (empirical formula)_n?27views
Multiple ChoiceHow many different elements are present in the empirical formula of aspirin (C9H8O4)?33views
Multiple ChoiceA compound consists of molecules containing 2 nitrogen atoms and 4 oxygen atoms. What are the molecular and empirical formulas of this compound?23views
Multiple ChoiceA compound is found to be 83.7% carbon and 16.3% hydrogen by mass. What is the empirical formula of this compound?29views
Multiple ChoiceWhat is the empirical formula for valproic acid, which has the molecular formula C8H16O2?55views
Multiple ChoiceWhich term represents the simplest whole number ratio of atoms of the elements in a compound?27views