Liquid buthanol is fed to a space rocket engine at a rate of $30\mathrm{.}0$ L$/$h and burned with excess air. The product gas is analyzed and the following mole percentages are found and these materials are dry. buthanol: $1\%,$ carbondioxide: $10\%,$ and carbonmonoxide: $3\%.$ Draw and label a flowchart and verify that the system has zero degrees of freedom. Calculate the fractional conversion of buthanol, the percentage excess air fed, and the mole fraction of water in the product gas