A 2mL sample of milk has a mass of 8g. What is the density of milk?
4 g/ml
4 mL/g
0.25 g/ml
none of the above

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5