Compounds

Practice Questions

AP Chemistry › Compounds

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1

What is the oxidation state of manganese () in the polyatomic permanganate anion ()?

2

What is the oxidation state of manganese () in the polyatomic permanganate anion ()?

3

Calculate the percent by mass of each element in $PbSO_{4}}$ .

4

Calculate the percent by mass of each element in $PbSO_{4}}$ .

5

Which of the following is the alcohol functional group?

6

A chemist is trying to find the identity of a compound. She knows that the compound has a molecular weight of $180: \frac{g}{mol}$ , and also that it consists of carbon, hydrogen, and oxygen by mass. What are the empirical and molecular formulas, respectively, for this compound?

7

What is the percent by mass of bismuth in the compound $Bi_{2}Te_{3}}$ ?

8

Calculate the percent by mass of each element in $Al_{2}(CrO_{4})_{3}$ .

9

What is the percent by mass of bismuth in the compound $Bi_{2}Te_{3}}$ ?

10

A chemist is trying to find the identity of a compound. She knows that the compound has a molecular weight of $180: \frac{g}{mol}$ , and also that it consists of carbon, hydrogen, and oxygen by mass. What are the empirical and molecular formulas, respectively, for this compound?

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