Answer:
R = 8.31
Explanation:
From the table choose a corresponding amount for Volume and pressure. Plug it into the equation and solve for R.
Choosing the second row V = 16.62 and p = .5
p = R/V
.5=R/16.62
multiply both sides by 16.62 to isolate R
16.62(.5) = R
R = 8.31