Answer:
Option A (0.043 g) is the correct answer.
Explanation:
Given:
= 43 mg
As we know,

then,
⇒ 
Thus, the above is the correct alternative.
Answer:
Because some of the symbols are from Latin
They are:
Mercury - Hg - Hydrargyrum
Potassium - K - Kalium
Silver - Ag - Argentum
Gold - Au - Aurum
Sodium - Na - Natrium
Tin - Sn - Stannum
Iron - Fe - Ferrum
Lead - Pb - Plumbum
Copper - Cu - Cuprum
Antimony - Sb - Stibium
Tungsten - W - Wolfram
No! If it was 12% a 150 pound person would be about 18 pounds of salt!
~0.4%
The average 150lb person would contain ~280 g of NaCl.