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4. A large quantity of a reactant that precipitates solid gold from gold in solution was added to a large sample of ocean

water, but only a trace amount of solid gold resulted after filtering the mixture. What do you think could be the problem?

Describe one of the reactants as a limiting reagent in your answer.


Sagot :

Addition of the reactant to ocean water producing a trace amount of

gold, makes the (gold compound in the) ocean water the limiting reagent.

What is the limiting reagent in a reaction?

A limiting reagent is the reactant that is consumed first before the other

reagents in the reaction.

The given parameters are;

The item added to the ocean = A reactant that precipitate gold from solution

The item to which the reactant is added is a large sample of ocean water

The amount of solid gold resulted from after filtering the mixture = Trace amount of gold

Therefore;

Given that the reactant produces gold from a solution containing gold,

and that the solution the reactant is added to is a sample of ocean water,

the gold in the ocean water is the limiting reagent that limits the amount

of gold produced.

Therefore;

  • The limiting reagent which is the regent that causes the reaction to stop is the ocean water because it contains a small amount of gold

Learn more about limiting reagent here:

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