Organic Chemistry, Analytical Chemistry, Biochemistry, Physical Chemistry, Computational Chemistry, Theoretical Chemistry, High School Chemistry, Colledge Chemistry and University Chemistry Forum.
Share your chemistry ideas, discuss chemical problems, ask for help with scientific chemistry questions, inspire others by your chemistry vision!
Please feel free to start a scientific chemistry discussion here!
Discuss chemistry homework problems with experts!
Ask for help with chemical questions and help others with your chemistry knowledge!
Yours is correct. Above they used broken numbers and also not very accurate i would say wrong calculation. Example 7.97 H2O never can come from 1.027 C12H22O11.