If 5 moles of Al2O3 are formed in the reaction 4 Al + 3 O2 ---> 2 Al2O3 How many moles of Aluminum (Al) & How many moles of Oxygen (O2) are consumed in the reaction??

the correct answer is:

a. formation of precipitation

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

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.