1.1 moles of C10H8 is the limiting reagent in the reaction between reaction C10H8 and O2
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C10H8 + 12O2 ----> 10CO2 + 4H2O
C10H8 is the limiting reagent since 1.1 moles of C10H8 is totally consumed during the reaction
This material is considered a “hard” material, usually having a high numerical value on the Mohs scale of hardness.
When an acid and a base react together the products they form are an ionic compound or salt and water.