Molar mass of NaCl is 23 (Molar mass of sodium) + 35.5 (molar mass of chlorine) = 58.5
therefore 0.8 moles = 0.8 *58.5= 46.8g
The answer is (E). protons.
The atomic number of an atom is equal to the number of protons in the nucleus.
I hope this helped.
Answer:
Therefore, dissolving salt in water is a chemical change. The reactant (sodium chloride, or Na-Cl) is different from the products (sodium cation and chlorine anion). ... In contrast, dissolving a convalent compound like sugar does not result in a chemical reaction.
Explanation:
D. 18 as the elements in this group are the noble gases which exist as monoatomic elements with a full outer shell