Answer:
Explanation:
Hello there!
in this case, according to the given information, it turns out firstly necessary for us to write up the chemical equation as shown below:
Thus, we calculate the mass of BaCl2 stoichiometrically related to the produced 1.658 g of precipitate in order to discard it from the sample:
Thus, the mass percentage is calculated as shown below:
Regards!
First calculate for number of moles:
moles Ag = 12 g / (107.87 g / mol)
moles Ag = 0.111 mol
Convert to atoms using Avogadros number:
atoms Ag = 0.111 mol * (6.022 x 10^23 atoms / mol)
atoms Ag = 6.7 x 10^22 atoms
There are 47 electrons per atom, therefore:
Number of electrons = (6.7 x 10^22 atoms) * (47 electrons
/ atom)
<span>Number of electrons = 3.15 x 10^24 electrons</span>
The answer to the question is true.
Answer:
Concentration, pressure, and temperature are the three factors that affect chemical equilibrium
