Question

If a solution contain 90g of ammonium chloride in 450g of water than calculate it concentration in terms of mass by mass percentage?
a)1.11% b)2% c)2.11 d)all options are wrong

Answer 1

Answer:Mas  of common salt (solute)=40 g

Mass of water (soluted) =320 g

mass of solution=320+40

              =360 g

concentration of solution=  

massofsolution

M  

mass

​

ofsolute

​

×100

360

40

​

×100=11.11%

Hence, the concentration of the solution is 11.11%

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Answer 2

Answer:

Mas of common salt (solute)=40 g

Mass of water (soluted) =320 g

mass of solution=320+40

=360 g

concentration of solution=

massofsolution

M

mass

ofsolute

×100

360

40

×100=11.11%

Hence, the concentration of the solution is 11.11%

Explanation:

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