A mixture of neon and carbon dioxide gases is maintained in a 9.40 L flask at a pressure of 1.38 atm and a temperature of 41 oC. If the gas mixture contains 2.45 grams of neon, the number of grams of carbon dioxide in the mixture is g.

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.