<span>d.2HNO3 (aq) + Sr(OH)2 (aq) → 2H2O (l) + Sr(NO3)2(aq)
4H </span>4H
8O 8O
2N 2N
1Sr 1Sr<span>
</span>
Lol it literally says that he covered the distance in three seconds so I believe it would be three
I don’t understand. Is there a picture? Where are the options?
