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VladimirAG [237]
3 years ago
9

Why is water considered the greatest solvent on earth

Chemistry
1 answer:
kotykmax [81]3 years ago
6 0
1) H2O is able to dissolve both polar molecules and non polar ones
2) due to its extreme polarity it can even dissolve some I onic compounds
3 the h2o molecule itself is small in size
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What is the concentration of H+ ions at a pH = 2?
erastova [34]

Answer:

0.01M = [H⁺]; 1x10⁻¹²M = [OH⁻]; Ratio is: 1x10¹⁰

Explanation:

pH is defined as -log [H⁺]

For a pH of 2 we can solve [H⁺] as follows:

pH = -log [H⁺]

2 = -log [H⁺]

10^-2 = [H⁺]

<h3>0.01M = [H⁺]</h3>

Using Keq of water:

Keq = 1x10⁻¹⁴ = [H⁺] [OH⁻]

1x10⁻¹⁴ / 0.01M = [OH⁻]

<h3>1x10⁻¹²M = [OH⁻]</h3><h3 />

The ratio is:

[H⁺] / [OH⁻] = 0.01 / 1x10⁻¹² =

<h3>1x10¹⁰</h3>

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3 years ago
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A car travels at a constant speed of 65 mph. How far will it have traveled in 4 hours
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At 100.0∘C, the ion product of water is 5.13×10−13. What is the concentration of hydroxide ions at this temperature? Your answer
Trava [24]

Answer: The concentration of hydroxide ions at this temperature is 7.16\times 10^{-7}

Explanation:

When an expression is formed by taking the product of concentration of ions raised to the power of their stoichiometric coefficients in the solution of a salt is known as ionic product.

The ionic product for water is written as:

K_w=[H^+][OH^-]

5.13\times 10^{-13}=[H^+][OH^-]

As [H^+]=[OH^-]

5.13\times 10^{-13}=x^2

x=7.16\times 10^{-7}

The concentration of hydroxide ions at this temperature is 7.16\times 10^{-7}

6 0
3 years ago
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