Question

a mixture is made by combining 1.64 lb of salt and 4.66 lb of water. what is the percentage of salt (by mass) in this mixture?

Answer 1

1.64 + 4.66 = 6.3
1.64/6.3 = 0.2603174603 = 26% 

Answer 2

Answer : The percentage of salt in the mixture is 73.65 %

Explanation : Given,

Mass of salt = 1.64 lb

Mass of water = 4.66 lb

First we have to calculate the mass of mixture.

Mass of mixture = Mass of salt + Mass of water

Mass of mixture = 1.64 + 4.66 = 6.3 lb

Now we have to calculate the percentage of salt in the mixture.

Formula used :

$\% \text{ of salt}=\frac{\text{Mass of salt}}{\text{Mass of mixture}}\times 100$

Now put all the given vales in this formula, we get:

$\% \text{ of salt}=\frac{4.64lb}{6.3lb}\times 100=73.65\%$

Therefore, the percentage of salt in the mixture is 73.65 %