The pressure above a pure sample of solid Substance X at 95.C is raised. At what pressure will the sample melt? Use the phase diagram of X below to find your answer. temperature (k) Note: your answer must be within 2atm of the exact answer to be graded correct. The pressure above a pure sample of solid Substance X at 95.C is raised. At what pressure will the sample melt? Use the phase diagram of X below to find your answer. temperature (k) Note: your answer must be within 2atm of the exact answer to be graded correct