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DENIUS [597]
3 years ago
11

If you want to produce 6.2 moles nacl, how many moles of na will you need if you have excess cl2

Chemistry
1 answer:
irinina [24]3 years ago
3 0

Answer:

6.2moles of Na are needed.

Explanation:

First, we need to generate a balanced equation for the reaction between sodium and chlorine to produce sodium chloride. This is illustrated below:

2Na + Cl2 —> 2NaCl

From the equation,

2moles of Na produced 2moles of NaCl.

Therefore Xmol of Na will produce 6.2moles of NaCl i.e

Xmol of NaCl = (2 x 6.2)/2 = 6.2moles

Therefore, 6.2moles of Na are needed to produce 6.2moles of NaCl

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m_{Fe}=12.6gFe

Explanation:

Hello,

In this case, since we have grams of iron (III) oxide whose molar mass is 159.69 g/mol are able to compute the produced grams of iron by using its atomic mass that is 55.845 g/mol and their 2:4 molar ratio in the chemical reaction:

m_{Fe}=18.0gFe_2O_3*\frac{1molFe_2O_3}{159.69gFe_2O_3}*\frac{4molFe_2O_3}{2molFe_2O_3} *\frac{55.845gFe}{1molFe_2O_3} \\\\m_{Fe}=12.6gFe

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