5. scientists need to know how accurate their results are. to do this, they calculate what is
known as percent error (% error). this is done by using the simple forma
%error =
units off
-
actual (accepted) value)
-
100%
for instance, if a student read a graduated cylinder to be 9.8 mil and it really was 10 m.
then the student's error was [10 -9.8 = 212 off=0.02 x 100% = 2% emon
using this formula, and the accepted value of 10 g for 1 ml of h20, figure your
show your work.
emon
garatue data for water in