Lemons is the most acid of these 3 fruits. It is high in citric acid.
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.
Number of protons as stated in the question = 92.
a. 92
1) cobalt u can tell bc on a periodic table there is a small number that on cobalt is 27.
2) think that would be 11 bc in the 4th shell there can be up to 18 electrons
1023 molecules or atoms depending on substance