Answer: 1. 5
2H202 -> 2H2O + O2 ; 2 + 2 +1 = 5
Answer:
A, option is the correct answer of this question
Take mass of zinc divided by the relative molecular mass - 30 for zinc ( from periodic table)
Answer:
It should b KNO3
Explanation:
one Potassium (K) and three Nitrite (NO3)
C is the answer hope the answer is right
