1 answer:
Sorry, I most likely did this wrong; but hopefully I didn't!
HgO2
Na+H2CI
K2CI2
C2H6O2--> H2CO2
C5H12O2--> H2CO3
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Answer:b
Explanation:
Because I don’t know
What are your answer choices?
Atomic mass= number of protons + number of neutrons
hope this helps
Failed experiments, uncontrolled variables, invalid data, and generalized human error
