Using the equation for the best fit line from Graph C (y= -4637.5x + 18.898), calculate the vapor pressure of Toluene at 45.0 Celsius

the graph has a negative slope, this means that the variables are inversely propotional to each other.

45=-4637.5x+18.898

-4637.5x=45-18.898

-4637.5x=26.102

x=26.102/-4637.5

x=-0.00563

hence the vapor pressure of Toluence is -0.00563 units at 45.0 celsius

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