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dsp73
3 years ago
13

How do I find the concentration of hydronium

Chemistry
1 answer:
Lady_Fox [76]3 years ago
7 0

Answer:

The hydronium ion concentration can be found from the pH by the reverse of the mathematical operation employed to find the pH. [H3O+] = 10-pH or [H3O+] = antilog (- pH) Example: What is the hydronium ion concentration in a solution that has a pH of 8.34? On a calculator, calculate 10-8.34, or "inverse" log ( - 8.34).

Explanation:

Hope it helps!

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What is the mass of 11.4 L of NO2
kodGreya [7K]
At STP volume is 22.4 L

Molar mass NO₂ = 46.0 g/mol

1 mole ---------- 22.4 L
? mole ---------- 11.4 L

moles = 11.4 * 1 / 22.4

moles = 11.4 / 22.4

= 0.5089 moles of NO₂

Mass NO₂ :

moles NO₂ * molar mass

0.5089 * 46.0

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hope this helps!

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2 years ago
The reaction A + 2B → products was found to follow the rate law: rate = k[A] 2[B]. Predict by what factor the rate of reaction w
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Answer:

By a factor of 12

Explanation:

For the reaction;

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The rate law is;

rate = k[A]²[B]

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Let's say initially, [A] = x, [B] = y

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Comparing rate 2 and rate 1, the ratio is given as; rate 2/ rate 1 = 12

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