Answer:
if its a multiple question answer its hydroden and carbon
if not its carbon
yes 89.75 sorry I'm not the best at math you should look on the internet
Answer:
who lives in Barclays what?? this makes no sense
Explanation
This should not matter because the pipet has gradations and usually more of the sample is taken up in the pipette than what is delivered into the flask the student should always rinse the container being used because they are contaminating the sample if they do not clean it out
