Answer:
4.61 x 10^23
Explanation: Convert 213g of PbCl2 to mol, which is 0.7658950184462004, multiply 0.765 with 6.022 x 10^23.
Answer: a pair of antennae
Explanation:
I don't know but I'm curious now
variations of the same species
hope this helps have a good day
rock