미해결 질문Calculate the mass of 25,000 molecules of nitrogen gas. (1 mole = 6.02 x 1023 molecules)1615views
미해결 질문A rigid vessel contains 2.5 mol of H2(g). How many grams of hydrogen are in the vessel?1197views
교과서 질문(a) Write 'true' or 'false' for each statement. (a) A mole of horses contain a mole of horse legs.16views