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Paha777 [63]
3 years ago
6

Consider the following reaction: 2 SO2(g) + O2(g) → 2SO3(g)

Chemistry
1 answer:
matrenka [14]3 years ago
7 0

Answer:

B) -1.00 M/min

Explanation:

Based on the reaction:

2 SO2(g) + O2(g) → 2SO3(g)

<em>2 moles of SO2 are consumed per mole of O2 producing 2 moles SO3</em>

<em />

In the problem, the sulfur dioxide has a rate of change of -2.00M/min. As the moles of oxygen that reacted are half the moles of SO2, its rate of change is halved, that is:

<h3>B) -1.00 M/min </h3>

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what is the molarity of a solution of potassium dichromate (k2cr2o7) if 187 grams are dissolved in 250 ml?
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Answer:
            Molarity  =  2.54 mol.L⁻¹

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              Molarity is the amount of solute dissolved per unit volume of solution. It is expressed as,

                          Molarity  =  Moles / Volume of Solution    ----- (1)

Data Given;
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                    Moles  =  Mass / M.mass

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Now, putting value of Moles and Volume in eq. 1,

                         Molarity  =  0.6356 mol ÷ 0.25 L

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