3Ca(OH)2 + 2Al → 2 Al(OH)3 + 3 Ca Which of the following would be a correct molar ratio between Al and Al(OH)3?
a)2 mol Al
2 mol Al(OH)3

b)2 mol Al
3 mol Al(OH)3

c)2 mol Al
1 mol Al(OH)3

d)1 mol Al
2 mol Al(OH)3

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.