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Licemer1 [7]
3 years ago
14

Which of the Following is a true statement regarding a strong acid such as 0.1M HNO3(aq) and weak acid such as HF?

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

A. 0.1 M HNO3 (aq) solution contains more H+ than HF(aq) solution

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Consider the balanced chemical equation for the combustion of methane (CH4).
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<h3>Answer:</h3>

                  89.6 L of O₂

<h3>Solution:</h3>

The balanced chemical equation is as,

                                CH₄  +  2 O₂    →    CO₂  +  2 H₂O

As at STP, one mole of any gas (Ideal gas) occupies exactly 22.4 L of Volume. Therefore, According to equation,

             44 g ( 1 mol) CO₂ is produced by  =  44.8 L (2 mol) of O₂

So,

                  88 g CO₂ will be produced by  = X L of O₂

Solving for X,

                        X = (88 g × 44.8 L) ÷ 44 g

                        X = 89.6 L of O₂

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