Chemistry, 23.11.2019 04:31 trashbinkid
In this experiment, direct titration of a base with acid is not used. instead, a back titration of a base with excess acid will be employed. why?
a. the co2 gas is released during the chemical reaction and is a slow step
b. there is a time delay between the addition of the acid and the completion of the reaction
c. the endpoint of the titration would be unclear because straight titration does not allow enough reaction timed
d. none of the above
e. all of the above
Answers: 2
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Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?
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An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.
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In this experiment, direct titration of a base with acid is not used. instead, a back titration of a...
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