Which of the following represent(s) a 2 mol/L solution?
I. A 200 mL sample of a 10M solution
II. 58.45g of NaCl in 500mL of solution
III. 2 moles of NaCl in 1000mL of solution
O
I and II
O
II and III
O
III only
O
I, II and III

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.

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