You have 125 g of a certain seasoning and are told that it contains 92.0 g of salt. What is the percentage of salt by mass in this seasoning?
Answer: The percentage of salt by mass in the seasoning is 73.6 %
Explanation:
To calculate the percentage composition of a substance in a mixture, we use the equation:
\(\%\text{ composition of substance}=\frac{\text{Mass of substance}}{\text{Mass of mixture}}\times 100\)
We are given:
Mass of salt = 92 g
Mass of mixture (seasoning) = 125 g
Putting values in above equation:
\(\%\text{ composition of salt}=\frac{92}{125}\times 100=73.6\%\)
Hence, the percentage of salt by mass in the seasoning is 73.6 %.