I believe the answer is C. let me know if this helped.
I think the answer is 98 grams
Explanation:
2Li+2H2O—>2LiOH+H2
Calculate the mass of reacted lithium when H2 is 6.02 * 10 ^ 23 molecules.
I really need the answer with all the calculation please.
You can simply subtract the atomic number from the mass number in order to find the number of neutrons.
Answer: 66
Explanation: To find the mass number you would have to add the number of protons and the number of neutrons.