Question

To prepare standard 1 M solition of F.A.S ____

a) 0.392 g of F.A.S is dissolved in distilled water and diluted to 1 L of solution

b) 3.92 g of F.A.S is dissolved in distilled water and diluted to 1 L of solution

c) 39.2 g of F.A.S is dissolved in distilled water and diluted to 1 L of solution

d) 392 g of F.A.S is dissolved in distilled water and diluted to 1 L of solution ​

Answer 1

c) 39.2 g of F.A.S is dissolved in distilled water and diluted to 1 L of solution

is the correct option because given mass by molecular mass of FAS gives a 1m sol.

hope this helps

cheerio ✌️