Answer:
The atomic mass number is the number of protons and neutrons in an atom.
Answer:
112.18 g.
Explanation:
you're using stoichiometry to find the mass of the compound S₃O.
CH₃-CH=CH₂ propene
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H₂O + H₂O ⇌ H₃O⁺ + OH⁻
You use two single-barbed arrows pointing in opposite directions (technically rightwards harpoon over leftwards harpoon) <em>to indicate a reversible reactio</em>n.
