14
QuizMultiple Choice
Gas Stoichiometry — Unit test
Question 14 • TX-Chemistry B-CR
Consider the reaction.Which statement is true at STP? (The atomic mass of Mg is 24.31 u.)
Answer
A
3.0 g of Mg produce 3.0 L of H2 gas.B
3.0 g of Mg produce 22.4 L of H2 gas.C
24.31 g of Mg produce (3 22.4) L of H2 gas.
D
(3 24.31) g of Mg produce (3 22.4) L of H2 gas.