Question

2 Find the class mark of the class 40-60. number of workers 11​

Answer 1

Answer:

I not know sorry sorry I not know

Step-by-step explanation:

Molar mass of ethylene glycol - (12*2 + 1*6 + 16*2) = 62g/mol. so, in 20g we have 20/62 = 0.32 mol. Mole fraction of ethylene glycol = No of moles of ethylene glocal/ Total number of moles. = 0.068 .