YOu need the avogadro number, which is 6,02 * 10^23 particles/mole.
so you have that amount of particles is 1 mole of any gas if it is under normal pressure and temperature, so you only have to do 5 * (6,02 * 10^23)=3,01* 10^22.
done!
6.022 x 1023 x 5 = 3.011 x 1024
In 5 moles of oxygen molecules (O2) there would be
6.022 x 1023 x 5 x 2 = 6.022 x 1024
5. The number of molecules would be 3 x 1024
10 moles of oxygen atoms or 5 moles of oxygen molecules.
one mole of oxygen = 16grams and is 6.02x10^23 atoms one milligram of oxygen is 0.001 grams. number of moles = mass used/ RMM of compound therefore number of moles = 0.001/16 =6.25x10^-5 moles used. to convert to number of atoms multiply by avagadros number. 6.25x10^-5 * 6.02x10^23 3.763x10^19 atoms
The answer is: Number of Avogadro x 5 = 30,11070645.1023 atoms.
1 mole of lithium has 6.023 x 1023 atoms. So 5 moles will have 30.115 x 1023 atoms
There are 6 atoms of oxygen represented by this.
Diphosphorus pentoxide has 5 oxygen atoms per molecule according to the given prefix. So, 5 moles of it will be 5 x 5 x (6.022x10^23) = 1.51x10^25 oxygen atoms.
10 moles of oxygen atoms or 5 moles of oxygen molecules.
Since there are no subscripts, there is .800 moles of Oxygen atoms and .800 moles of Magnesium because there is .800 moles of the compound.
Aluminium Oxide(Al2O3) has 2 moles of aluminum and 3 moles of oxygen. The total is 5 moles. One mole is 6.022 x 1023 atoms. Therefore, 5 moles = 30.110 x 1023 atoms
one mole of oxygen = 16grams and is 6.02x10^23 atoms one milligram of oxygen is 0.001 grams. number of moles = mass used/ RMM of compound therefore number of moles = 0.001/16 =6.25x10^-5 moles used. to convert to number of atoms multiply by avagadros number. 6.25x10^-5 * 6.02x10^23 3.763x10^19 atoms
5 moles H2O (1 mole O/1 mole H2O)(6.022 X 1023/1 mole O)(1 mole O atoms/6.022 X 1023)= 5 moles oxygen atoms=================( as you see this is a formal set up that you do not need to use fully as Avogadro's number is over itself as a form of one )5 moles H2O (2 moles H/1 mole H2O)6.022 X 1023/1 mole H)(1 mole H atoms/6.022 X 1023)= 10 moles hydrogen atoms====================
very roughly 5 moles...avagadros number = 6.022 x 1023 just devide 30 by this number
The nunber of moles of oxygen is 2,5.
Sounds like an acid metal reaction to produce hydrogen gas, so I will assume you meant hydrochloric acid. Complete reaction indicates aluminum is limiting and drives the reaction. 2Al + 6HCl --> 2AlCl3 + 3H2 3.0 moles Al (3 moles H2/2 moles Al) = 4.5 mole hydrogen gas produced =========================
The answer is: Number of Avogadro x 5 = 30,11070645.1023 atoms.
1 mole of lithium has 6.023 x 1023 atoms. So 5 moles will have 30.115 x 1023 atoms
There are 6 atoms of oxygen represented by this.