4.00 moles of sodium has a mass of 91.96 grams.
To find an element's molar mass, you can use its atomic weight.
A gallon of water weighs 8.34 pounds
Answer:
C
Explanation:
it belong to that group as it needs 1 electron to be chemically stable
Answer:
D: Atmospheric pressure is greater than vapor pressure,and water molecules escape from the solution into the air.