Question

Give correct sloved answer
with full statement. ​

Answer 1

the method is=>(20/40)=>(2/4)=>(1/2)=>0.5

W/w=mass of solute/mass of solution

molar mass of NaOH=23+16+1=40

and solute contain 20% that means 20g is present in 100 g,so the solute is 20 and solution is 40.

I hope it is helpful for you .if you satisfied with my answer give me a brainlist .

Answer 2

Answer:

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