Answer:
A: 11 protons and 21 neutrons
Explanation:
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Answer:
2. A
3.B
4.B
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18. c
19. A
20. decomposition reaction
21. 4
22. 0.04%
From the equation of the reaction; for every 1 mole of copper, the reaction uses 2 moles of silver nitrate.
<h3>What is a reaction?</h3>
A chemical reaction involves the transformation of one chemical specie into another. The reaction is not shown here hence the question is incomplete.
However, the reaction should be of the sort; Cu + 2AgNO3 ---> Cu(NO3)2 + Cu. Thus, for every 1 mole of copper, the reaction uses 2 moles of silver nitrate.
Learn more about chemical reaction: brainly.com/question/6876669
Answer:
east to west is the answer
