Answer the following questions:
Hydrogen and oxygen combine in the ratio of \(1:8\) by mass to form water. What mass of oxygen gas would be required to react completely with \(3 g\) of hydrogen gas?
Ratio of \(H : O\) by mass in water is:
Hydrogen : Oxygen →
∴ \(= 3 : x\)
\(x = 8\) x \(3\)
\(x =\)