Answer:
The final balanced equation is : 2C2H2+5O2→4CO2+2H2O.
Answer: sodium-11 iron-26 sulfur-16
Explanation:
Explanation is in a file
bit.
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Phosphorus 31. because the mass of sulfur 32 minus the number of protons 16 = 16 neutrons and the mass of phosphorus 31 minus the number of protons 15 = 16 neutrons
Final answer: phosphorus 31