When an ion‑selective electrode for x + was immersed in 0.0518 m xcl , the measured potential was 0.0490 v . what is the concentration of x + when the potential is 0.0640 v ? assume that the electrode follows the nernst equation, the temperature is at 25 °c, and that the activity coefficient of x + is 1.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Essay-alternative energy sources research sources of energy that are being developed. write a report of 350-400 words discussing the information you learned concerning the development of various energy sources and the impact that you think they will have on your life. include sources cited at the end of your report using the mla format. follow the rubric guidelines. note that wikipedia is not an appropriate resource for a research paper. worth 99

Who examines and coordinates the cleanup of polluted sites?