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What is the concentration of hydronium ion, H3O + , in 0.10 M HClO at 25°C? A....

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Chemistry

What is the concentration of hydronium ion, H3O + , in 0.10 MHClO at 25°C?

A. 3.0 × 10−8 M

B. 3.0 × 10−7 M

C. 5.5 × 10−5 M

D. 1.7 × 10−4 M

E. 0.10 M

Answer & Explanation Solved by verified expert
3.6 Ratings (509 Votes)
What is the hydronium ion concentration and pH of a 010 Msolution of hypochlorous acid Ka 35 x108In this case the concentration is known to the 102place and the equilibrium constant is the magnitude of108 The difference in magnitude is 106therefore x may easily be neglected This simplifies the equationtoMultiplying both sides by 010 yieldsx2 35 x 109Taking the square root of both sides yieldsx H3O 59 x 105 OCl alsoIn tackling this problem first note that the Ka    See Answer
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