In the reaction 2CO(g) + O2(g) ® 2CO2(g) what is the correct expression of the rate?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid