Question

Hi, I already had two tutors give up because they can’t seem to solve this answer… I really need the help, if you don’t understand it I get it. I appreciate you trying though

Answer 1

the most common sources of error in any chemical experiment are human error and poorly calibrated instrumentation,

human error means that when handling the reaction product some or the product is lost possibly due to negligence or spillage or even some reation product remaining attached on the handler's clothing or gloves when transferring samples to the weighing balance.

poorly calibrated instrument do not acc