Conservation in Chemical Reactions Quick Check
1.) Zn + 2HCl → H2 + ZnCl2
2.) The total number of atoms does not change, so mass is conserved in the reaction.
3.) 215 amu
4.) 76 amu
3 answers
1 and 2 are OK. I don't know what 3 and 4 are all about.
Thank you
thank you so much