He table shows the percentages of hydrocarbons that are found in a sample of crude oil.

hydrocarbons
percentage
paraffins
30
naphthenes
49
aromatics
15
asphaltics
6

based on the given information, what is the best classification for this sample of crude oil?
an element
a pure compound
a pure substance
a mixture

What state of matter is ice a. liquid b. element c. solid d. gas

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule