What is the concentration of a solution containing 6mEq/l of NaCl?

Ithink the answer is c i hope it my friend message me if i’m wrong and i’ll change my answer and fix it for you

The answer should be vaporization 

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.