An acetic acid buffer solution is required to have a ph of 5.27. you have a solution that contains 0.01 mol of acetic acid. what molarity of sodium acetate will you need to add to the solution? the pka of acetic acid is 4.74. show all calculations in your answer.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

Which subshell is represented by the actinides family?

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.