Draw the major organic product of each reaction. Indicate the stereochemistry at the stereogenic center. Omit byproducts such as salts. If applicable, expand octets to minimize formal charges.

no but i do not usually comment or use my voice that much when it comes to social media

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.