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3 years ago

Write a net ionic equation to show that acetylsalicylic acid (aspirin), hc9h7o4, behaves as a brÃ¸nsted-lowry acid in water.

Chemistry

1 answer:

Thepotemich [5.8K]3 years ago

3 0

By definition, Bronsted-Lowry acid is a proton donor in the acid-base neutralization reaction. When a weak acid like acetylsalicylic acid is reacted with water, the water here acts as the Bronsted-Lowry base. This is possible because water has properties of amphoterism - can act as an acid or base. In this case, acetylsalicylic acid would have to donate its H+ atom to water, so that it would yield a hydronium ion, H₃O⁺. The complete net ionic reaction is shown in the picture.

So, in the reaction, the products yield are the acetylsalicylate ion and the hydronium ion.

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aleksandrvk [35]

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3 years ago

How many moles of Ba(NO3)2 are there in 0.25 L of a 2.00 M Ba(NO3)2 solution?<br> Use mc007-1.jpg.

aleksandrvk [35]

Number of moles ( n ) = ?

Volume ( V ) = 0.25 L

Molarity of solution ( M ) = 2.00 M

n = M x V

n = 2.00 x 0.25

n = 0.5 moles of Ba(NO₃)₂

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omeli [17]

Answer:

The density is the relation mass/volume.

Then you can modifiy the density of a material by either affecting the mass or the volume.

If you increase the volumen while keeping the mass constant, the density will decrease (because you are increasing the denominator of the fraction).

Also, you can decrease the mass while keeping the volume constant to decrease the density (because you are decreasing the numerator of the fraction).

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Explanation:

The density is the relation mass/volume.

Then you can modifiy the density of a material by either affecting the mass or the volume.

If you increase the volumen while keeping the mass constant, the density will decrease (because you are increasing the denominator of the fraction).

Also, you can decrease the mass while keeping the volume constant to decrease the density (because you are decreasing the numerator of the fraction).

Then the answer is decrease the mass or increase the volume, while the other is kept constant.

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