Most likely the answer is water and a salt. When a strong acid and strong base react the OH and H form water and the cation from the base and anion from the acid forms a salt. I hope this helps. Let me know if anything is unclear.
Answer:
Chromium
Explanation:
Cr has 24 atomic number and mass number 52
Answer:
Ghana Empire is was a kingdom in western Africa.
Sodium, hydrogen, carbon, and oxygen