Problemas
9. The balanced equation below represents a double replacement reaction. PbCl_(2)(aq)+Na_(2)CrO_(4)(aq)arrow PbCrO_(3)(s)+2NaCl(aq) What is the total number of moles of NaCl formed when 2 moles of Na_(2)CrO_(4) reacts completely? 1 mole 2 moles 3 moles 4 moles
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Respuesta
4 moles
Explicación
The balanced chemical equation given is:
From the equation, we can see that 1 mole of
reacts with 1 mole of
to produce 2 moles of
. Therefore, if 2 moles of
react completely, 4 moles of
will be formed. Hence, the correct answer is 4 moles.