Answer:
Check if the ions of two compounds exchange places.
Explanation:
The definition of single replacement is a reaction when an ion replaces another ion, thus the name.
B
All cells new oxygen and blood is a way for them to get it
Answer:
2.0 moles
Explanation:
I hope this helps you a little bit at least the answer is 2.0 but if you want to review more stuff check the photos