32L —> 32000g —> 727.116 Moles (rounded)
Answer:
D
Explanation:
sound waves can not be carried in space
The same number of valence electrons exists in the same family of elements in the periodic table. In finding the answer to this problem, we just have to find the pair that belongs to the same family in the periodic table. The same family means same column. Among these, Oxygen and lead (Pb) are in the same family. This pair is the answer.
Sodium chloride (NaCl), whose only changes about 5g/100mL water over that entire range 100°C)