Unformatted text preview: the difference of these weights. Calculate percent recovery of matter by taking g matter recovered divided by g original sample then multiply by 100. Account for errors. Percent error = |correct value - measured value| X 100 Lab Cautions Do not mix any chemicals unless instructor says otherwise. Do not weigh warm objects. Do not throw or drop anything on pan of balance...
View Full Document
- Fall '09
- Division, Elementary arithmetic, SiO2, original sample