Answer:
34.21%
Step-by-step explanation:
Given parameters:
Mass of ethylene glycol in the container = 130g
Mass of the liquid in total = 380g
Unkown:
Percentage of ethylene glycol in the liquid =?
Solution
To find the percentage of the ethylene glycol in liquid, we use the expression below:
Percentage of ethylene glycol in liquid =
x 100
Percentage of ethylene glycol =
x 100
Percentage of ethylene glycol = 34.21%