Temperature
The phase diagram of substance X is shown above. Initially, X is at
point C. After a significant increase in pressure, X is at point B. What
phase change has X gone through?

Limited time please help!!

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.