If a chemist has 2.3 moles of arsenic (as) that has a molar mass of 74.92 g/mol, which would be the best way to find out how many atoms of arsenic are in the sample? multiply 2.3 by avogadro's number. divide 2.3 by avogadro's number. multiply 2.3 by the molar mass of arsenic. divide 2.3 by the molar mass of arsenic.
Answers: 1
Chemistry, 22.06.2019 04:30
Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
Answers: 2
Chemistry, 22.06.2019 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
If a chemist has 2.3 moles of arsenic (as) that has a molar mass of 74.92 g/mol, which would be the...
English, 11.11.2020 17:30
English, 11.11.2020 17:30
Mathematics, 11.11.2020 17:30
Physics, 11.11.2020 17:30
Social Studies, 11.11.2020 17:30
History, 11.11.2020 17:30