Chemical Kinetics Part 1

The reaction that occurs in a breath analyser, a device used to determine the alcohol level in a person's blood stream is
2K2Cr2O7+8H2SO4 +3C2H6O→2Cr2(SO4)3+3C2H4O2+2K2SO4+11H2O
If the rate of appearance of Cr2(SO4)3 is 2.67‌mol‌min−1 at a particular time, the rate of disappearance of C2H6O at the same time is ......... mol‌min−1 . (Nearest integer)