Open QuestionThe number of moles of hydrogen that is needed to produce 0.253 mol of water is1120views
Open QuestionCalculate the mass of 25,000 molecules of nitrogen gas. (1 mole = 6.02 x 1023 molecules)1295views
Open QuestionOne atom of gold weighs 3.27 x 10-13 ng. how many gold atoms are in 1.0 g of gold?980views