7
QuizMultiple Choice
Gas Stoichiometry
Question 7 of 10 • *25-26 KCS18 Chemistry IC
According to the equation 2Na + 2H2O 2NaOH+H2, what mass of Na is required to yield 22.4 L of H2 at STP? (The atomic mass of Na is 22.99 u.)
Answer
A
1.00 gB
2.00 gC
23.0 gD
46.0 g