The observation that 10 g of hydrogen gas always combines with 80 g of oxygen gas to form 90 g of water, even when there is more than 80 g of oxygen present in the reaction container, illustrates the Law of
A. Definite Proportions.
B. Multiple Proportions.
C. ideal gases.
D. excess reactants.
Answer:A
The observation that 10 g of hydrogen gas always combines with 80 g of oxygen gas to form 90 g of water, even when there is more than 80 g of oxygen present in the reaction container, illustrates the Law of
A. Definite Proportions. B. Multiple Proportions. C. ideal gases. D. excess reactants.