Atoms of ca and s would be expected to react in a ratio of
a) 1: 1
b) 1: 2
c)2: 1
d)3: 1

What is the chemical formula for the compound formed between sodium and flour one

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.

Someone do this for me. im really stuck