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levacccp [35]
3 years ago
14

What type of compound does the formula, CuCl2, represent? a. ionic salt b. covalent molecule

Chemistry
1 answer:
Rainbow [258]3 years ago
7 0
The answer is:  [B]:  "ionic salt" .
___________________________________________________
Note:  There is no "sharing of electrons" among the elements in this compound; so this compound in NOT a "covalent molecule".

However, there is ionic bonding:  Cu²⁺ and  Cl⁻  ;  to form:  "CuCl₂" .
____________________________________________________ 
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For the following reaction if you have 13.2g of CO and 42.7g of Fe2O3, which is the limiting reagent with regards to the Fe prod
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Answer: CO is a limiting reagent with regards to the Fe production.

Explanation:

Fe_2O_3(s)+3CO(g)\rightarrow 2Fe(s)+3CO_2(g)

Moles of CO = \frac{\text{mass of CO}}{\text{molar mass of CO}}=\frac{13.2 g}{28 g/mol}=0.4714 mol

moles of Fe_2O_3=\frac{\text{mass of} Fe_2O_3}{\text{molar mass of}Fe_2O_3}=\frac{42.7 g g}{159.7 g/mol}=0.2673 mol

According to reaction , 3 mole of CO reacts with 1 mole of Fe_2O_3 then , 0.4714 moles of CO will react with : \frac{1}{3}\times 0.4714 moles of Fe_2O_3 that is 0.1571 moles.

0.4714 moles of CO will react with 0.1571 moles of Fe_2O_3 which means that CO is present in limited amount acting as limiting reagent.

Mole remaining of Fe_2O_3 = 0.2673 mol - 0.1571 mol = 0.1102 mol

Hence, CO is a limiting reagent and  Fe_2O_3 is an excessive reagent.

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