Strong Acid

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ElizabethP1L
Posts: 59
Joined: Wed Nov 15, 2017 3:01 am

Strong Acid

Postby ElizabethP1L » Sun Jun 10, 2018 11:21 pm

what makes acids strong?

salvadoralvizo1J
Posts: 29
Joined: Fri Apr 06, 2018 11:01 am

Re: Strong Acid

Postby salvadoralvizo1J » Sun Jun 10, 2018 11:21 pm

Because it completely dissasociates in water.

SamanthaGrohe1B
Posts: 31
Joined: Fri Apr 06, 2018 11:03 am

Re: Strong Acid

Postby SamanthaGrohe1B » Sun Jun 10, 2018 11:23 pm

It completely dissociates in water and increases the [H3O^+] concentration thus decreasing pH.

Nimrat Brar 1E
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Re: Strong Acid

Postby Nimrat Brar 1E » Sun Jun 10, 2018 11:41 pm

A strong acid is based on the bond between the H+ part of the molecule, and the negative ion. So HCl is totally fine separating into H+ and Cl- which makes it a strong acid.

When we measure pH, we are talking about the amount of H+/H3O+ (which is H+ + H2O -> H3O+). The greater a concentration of H3O+, the more acidic.

Molecules like H2CO3, are much less likely to dissociate in water (of course there will be a little, but that is what makes it weak).

Ziana Bhanji 1E
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Joined: Fri Apr 06, 2018 11:01 am

Re: Strong Acid

Postby Ziana Bhanji 1E » Sun Jun 10, 2018 11:42 pm

Acid solutions contain hydrogen ions. The higher the concentration of hydrogen ions, the lower the pH. A strong acid also completely dissociates in water.

Megan Phan 1K
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Joined: Fri Apr 06, 2018 11:04 am

Re: Strong Acid

Postby Megan Phan 1K » Wed Jun 13, 2018 4:26 am

A strong acid can completely disassociate in water. As they have hydrogen ions, the higher the hydrogen concentration, the lower the pH is. In a compound it is dependent on the H bond and the negative ion.

ran2000
Posts: 66
Joined: Fri Sep 28, 2018 12:15 am

Re: Strong Acid

Postby ran2000 » Fri Nov 30, 2018 11:10 pm

Strong acids almost always dissociate completely to yield hydronium ions.

Sean Reyes 1J
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Joined: Fri Sep 28, 2018 12:24 am

Re: Strong Acid

Postby Sean Reyes 1J » Sat Dec 01, 2018 9:54 am

When a strong acid dissociates, this yields a high concentration of H+ ions. Using the equation pH=-log[H+], you will find that the pH is very low which correlates to a strong acid.

Letizia Ye 4F
Posts: 62
Joined: Fri Sep 28, 2018 12:28 am

Re: Strong Acid

Postby Letizia Ye 4F » Sat Dec 01, 2018 10:06 am

They dissociate completely in water to form hydronium ions. Examples would be HCl, HBr, HNO3 etc.


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