Answer:
A or C
Explanation:
I don't know if I'm correct but I think it's A or C you don't have to choose them.
Gravity when the mantle cools it becomes heavier and therfore sinks
Answer: The true volume of the gas will be lower than predicted by the ideal gas law because the volume of the actual particles is more significant under high pressure.
Answer:
Hence mass of 2 moles of NaCl is 117g. The molar mass of NaCl is 58.44 g/mol. To calculate mass in grams, multiply the given moles by the molar mass.