Chemistry, 15.02.2022 03:40 emilyblaxton
1. How many atoms is 2.3 mol Cu atoms?
2. How many moles of water is 4.5x10^22 water molecules?
3. How many atoms are in 2.4x10^23 molecules of carbon monoxide?
4. how many oxygen atoms are in 1.65 mol of barium phosphate?
5. How many atoms are in 5.72 g of gold?
6. what is the mass of 1.95x10^25 atoms of boron?
Answers: 3
Chemistry, 22.06.2019 17:10, sophiaa23
)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.
Answers: 1
1. How many atoms is 2.3 mol Cu atoms?
2. How many moles of water is 4.5x10^22 water molecules?
Mathematics, 09.09.2020 22:01
Mathematics, 09.09.2020 22:01