Random errors will shift each measurement from its true value by a random amount and in a random direction. These will affect reliability (since they're random) but may not affect the overall accuracy of a result.
In chemistry, the molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample, measured in moles.
There’s only one measurement the question doesn’t make sense
im not sure which one to answer, and i can hardly see the text.
14. C
15. B
16. D
17. D
18. I am not sure sorry.<span />