Multiply then divide 12g by 4cm3 because 4cm3 equals 64cm divide by 12g or multiply which ever is in the options
Answer: 48.83%
Explanation: Mass percent is the ratio of mass of the particular substance to the total mass of given compound.

Mass of
= 120g
Mass of
= 246g

Answer:
Molecule?
Explanation:
I wanna say molecule, because all of the objects listed have that in common.
Answer:
Is the fixed number of water molecules present in one formula unit of a substance
Explanation:
When copper sulphate is heated in a china dish, the blue colomed crystal changes to a white powder due to the removal of molecules of water of crystallization
Answer:
Newton's first law.
Explanation:
It is the same as law of inertia.