When determining the percent transmittance of the brass sample solution, a student rinsed the cuvette with water but not with sample solution before taking the measurement. Explain in detail what effect this error will have on the final result. Will the final answer be high or low?

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.