17) chlorine and fluorine react to form gaseous chlorine trifluoride. you start with 1.75 mole of chlorine and 3.68 moles of fluorine. a. write the balanced equation for the reaction. b. what is the limiting reactant? c. find the moles of clf3produced? d. find the moles of excess left over

a.

b. fluorine

c. 2.45 moles

d. 0.52 moles

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

a) The balanced chemical equation is:

Given : moles of chlorine = 1.75

moles of fluorine = 3.68

By Stoichiometry of the reaction:

3 moles of fluorine reacts with = 1 mole of chlorine

So, 3.68 moles of fluorine reacts with = of chlorine

b) Thus fluorine is the limiting reagent as it limits the formation of product.

Chlorine is the excess reagent and (1.75-1.23) = 0.52 moles of chlorine are left over.

As 3 moles of fluorine give = 2 moles  of chlorine trifluoride.

3.68 moles of fluorine will give = moles  of chlorine trifluoride.

c. Thus 2.45 moles  of chlorine trifluoride are produced.

d. 0.52 moles of chlorine are left over.

the correct answer is:

a. formation of precipitation

you did not give any options thus this is the best answer i can give to you with this little information you have given

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