What volume in liters of carbon monoxide will be required to produce 18.9 L of nitrogen in the reaction below
1 answer:
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The question is incomplete, here is the complete question:
A chemistry student weighs out 0.104 g of sulfurous acid, a diprotic acid, into a 250.0 mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.0700 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Be sure your answer has the correct number of significant digits.
<u>Answer:</u> The volume of NaOH needed is 36.2 mL
<u>Explanation:</u>
To calculate the molarity of solution, we use the equation:
Given mass of sulfurous acid = 0.104 g
Molar mass of sulfurous acid = 82 g/mol
Volume of solution = 250 mL
Putting values in above equation, we get:
To calculate the volume of base, we use the equation given by neutralization reaction:
where,
are the n-factor, molarity and volume of acid which is
are the n-factor, molarity and volume of base which is NaOH.
We are given:
Putting values in above equation, we get:
Hence, the volume of NaOH needed is 36.2 mL
Answer: C.) SO2
Explanation: Sulfur Dioxide is the gaseous molecule which can show the resonance through lewis dot structure due to the presence of lone pairs of electrons present on all of the three atoms of the molecules. Moreover , Sulphur forms pie bond with the oxygen using p orbitals which forms a network of the conjugated system that help to elaborate the reason of the formation of the resonance structure.
Options (a), (b), and (d) cannot form resonating structures as they involve the formation of the chemical bonds through single sigma bond.
