Step 7: put the metal in the water and measure temperature changes (ALUMINUM) aluminum 100
22.4
27.1

4.7
72.9

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

the answer to this question is 3.

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.

the answer is c. nacl