A solution is a(n) Compound composed of two or more substances.
Homogeneous mixture.
Heterogeneous mixture.
Insoluble solute in a solvent​

What is the empirical formula for c4h8o2

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.

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it