The theoretical yield of zinc oxide in a reaction is 486 g. What is the percent yield if 399 g is produced?
A. 122%
B. 82.1%
C. 29.6%
O D. 4.93%

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

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.