there is 3.5 g of fat in a granola bar. You determine the fat content to be 4.0 G in the lab. What is the percent error

a. hope i'm right

explanation:

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.