How many molecules of methane gas
are in 32.1 grams of methane?

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.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;