Simple differences between mixtures and compounds
2 marks · EasyA liquid mixture has a boiling range from 83°C to 97°C. Calculate the difference in temperature across its boiling range.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
14 °C (±0)
Common mistakes: 97 - 80 = 17
Show mark scheme and worked solution
Marking points
M1 · 1 mark · Finds the difference between highest and lowest temperature in the range.
A1 · 1 mark · Gives 14°C as the correct answer.
Worked solution
Boiling range = highest - lowest = 97°C - 83°C = 14°C.