Both sides need to be balanced?
massive livand that sarah or someone is how u do it
Answer:
Correct answer is B.
Explanation:
Took the test and got this right. :)
(2) three fewer valence electrons is your answer.
3Zn + 8HNO3 ---> 3Zn(NO3)2 + 4H2O + 2NO IF IT IS COLD AND DILUT NITRIC ACID .
IF IT IS HOT AND CONCENTRATED THEN:
Zn+ 4HNO3 ---> Zn(NO3)2 +2H2O +2NO2