kayleenfifep3hgi4
13.09.2019 •
Chemistry
Which of the following is a precipitation reaction?
a. hcl(aq) + koh(aq) → kcl(aq) + h2o(l)
b. 2 nai(aq) + hg2(no3)2(aq) → hg2i2(s) + 2 nano3(aq)
c. zn(s) + 2 agno3(aq) → 2 ag(s) + zn(no3)2(aq)
d. kcl(aq) + lii(aq) → ki(aq) + licl(aq)
e. none of the above is a precipitation reaction.
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Ответ:
B is a precipitation reaction.
Explanation:
This is because a precipitation reaction is when a solid is made from the combination of cations and anions in a solution to create a solid.
Ответ:
CUCI is a precipitate because nickel sulfide is not precipitated