Which of the following statements about the nucleus is false?

a. able to be lost or gained in chemical reactions.
b. contains nearly all of the mass of the atom.
c. made up of protons an neutrons.
d. none of these

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

The rules of engagement (roe) working group is often used to (select all that apply.)

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.