13 because an atom has the same number of protons as neutrons
Answer:
179.0 g of iridium (1 mol / 192.217 g) ( 6.022 x 10^23 atoms / 1 mol ) = 5.61 x 10^23 atoms of iridium
Explanation:
Answer:
Explanation:
The whole sample is 269
%copper = 127/269 * 100 = 47.2%
%chlorine = 142/269 * 100 = 52.8%
That's all you are asking. Is there more?
Answer:
Explanation:
Equilibrium is achieved in a chemical reaction when there is a steady state with no change in concentrations.
So the answer is "When the concentrations of reactants and products are constant."