Answer:
Answer is Ca2+(aq)+S2-(aq)=>CaS(s)
Explanation:
I hope it's helpful!
Remember pH=-log(H ions). So it would be pH=-log(10^-7).
Global winds, coriolis effect and <span>continental deflections. Hope this helps!</span>
10 atoms. If there are 10 in the reactants you need the same number in the products