Question

A solution containing 60g of Nacl in 400g of water .calculate concentration in terms of mass by mass percentage​

Answer 1

Answer:

13.04 %

Given:

Solution having 69 g Nacl in 400 g water

To find:

Concentration in terms of mass of percentage

Solution:-

Mass 0f Nacl=60 g (solute)

Mass of water=400 g (solvent)

Total solution=400 + 60

=460 g

We know that

Mass percentage of the solution

$= \frac{mass \: of \: solute}{total \: solution} \times 100$

$= \frac{60}{460} \times 100$

$= \frac{300}{23}$

$= 13.04 \: \%$

________________

Concentration in terms by mass pecnatge=13.04%

Answer 2

Given :

• Mass of solute = 60 g
• Mass of solvent = 400 g

∴ Mass of solution = Mass of solute + Mass of solvent

=> 60 g + 400 g

=> 460 g

Find :

Mass percentage of solution.

Solution :

We know that

Mass percentage of solution = Mass of solute/Total mass of solution × 100%

We have,

Mass of solute = 60 g

Mass of solution = 460 g

So,

=> 60/460 × 100%

=> 30/230 × 100%

=> 3/23 × 100%

=> 13.04 %

∴ Mass percentage of solution is 13.04%