Video 702 Quiz Answers

What is the molar mass of aluminum chloride?

ANSWER

133.5 g/mol


The abbreviation used to represent a gas in a chemical equation is ____?

ANSWER

g and/or ↑


What is the percentage of aluminum in AlCl3?

ANSWER

20.2 %


Which of the following would be considered an empirical formula?

ANSWER

C3H8


Which of the following would be the empirical formula for sugar, C6H12O6?

ANSWER

CH2O


A student works a problem and finds that a compound has 0.074 moles of carbon and 0.148 moles of oxygen. What is the empirical formula of the compound?

ANSWER

CO2


What is the empirical formula for a compound that is 18.7 % Li, 16.3 % C, and 65.0 % O?

ANSWER

Li2CO3


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