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- Sodium lauryl sulfate is present in embalming fluids as a surfactant catalyst buffer vehicleIf Phenolphthalein was added to H2O (l) + CO2 (g) → H2CO3 (aq) what color would the solution be?Heptacarbon octahydride is an effective gasoline additive. In the presence of oxygen gas (and a spark), it undergoes complete combustion. (a) Write the balanced equation for this reaction. Identify the oxidizing agent and reducing agent.