Sam has a sample of gas occupying 55.2mL at standard pressure. What volume, in mL will the gas occupy at a pressure of 823.mm Hg if the temperature remains constant?

When balancing a chemical equation:

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.

What is one real world example of a colligative property?