Be sure to answer all parts. Potassium is the second most abundant metal in the human body. Calculate the following: (a) The number of atoms in 7.25 moles of potassium. 24 x 10 mis Enter your answer in scientific notation. (b) The number of moles of potassium that contains 9.07 x 10-5 atoms. 1.51 Enter your answer in scientific notation.

the solar system used to have much dust particles option no d

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl