Answer:
B.
Explanation:
One mole is the amount of substance that contain the Avogadro number which is equal to 6.022×10^23 atom, molecules or ions.
2-7 days, but depends on the procedure
Answer:
At chemical equilibrium, the amount of product and reactant remains constant, because the rates of the forward and reverse reactions are equal.
Explanation:
At equilibrium, the forward and reverse rates become constant, so the concentrations of reactants and products also become constant.
Answer: the answer is c
Explanation: hope this helps you