Make sure have same amounts of species on both sides
Cu (s) + 2 AgNO3 (aq) -> Cu(NO3)2 (aq) + 2 Ag (s)
Zn(s) + 2HCl(aq) = ZnCl₂(aq) + H₂(g)
zinc + hydrochloric acid = zinc chloride + hydrogen
Answer:
D.
The concentration of reactants and the concentration of products are constant.
Explanation:
pls mark as brainliest
hydrogen and helium and the most abundant elements in a nebula.
I am pretty sure it is 4.002602
