21. It was stated in the text that if the exclusion principle were not valid, every electron would end up in the lowest energy state of the atom, and the chemical behavior of the elements would be grossly modified. Explain this statement

How have the greenhouse gasses increased from the year 2000 to 2018

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 the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol