What is the atomic mass of one mole of h2o?
/mole

•17.008
•18
•18.016

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world