Aflask contains 145.675ml of a saline solution. if 24.2 ml of the saline solutions are widthdrawn from the flask,. how sho8ld the volume of the saline solution that remains in the flask be reported?

the volume of the saline solution that remains in the flask be reported can be calculated as follows:

total volume – volume widthdrawn from the flask  

= 145.675  ml  - 24. 2 ml

= 121.475 ml

= 121.5 ml  

Round into 4 significant number  

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error