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Why is an excess amount of sodium hydroxide added to aspirin?
KeletsoVionah
Aspirin (which is an acid) gives some people an upset stomach. Sodium Bicarbonate is a buffer- it slows acid changes, and prevents upset stomachs.
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∙ 13y ago
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Why does zinc hydroxide dissolve in excess dilute sodium hydroxide?
lpkjl
What is the predicted effect on the reaction of zinc nitrate and excess sodium hydroxide?
The reaction of zinc nitrate and excess sodium hydroxide begins with precipitation of zinc hydroxide ( Zn(OH)2 ), followed by dissolvement after adding excess sodium hydroxide ( 2 OH- ) to formation of zinc aat-ions ( [Zn(OH)4]2- )
What is the balanced equation for zinc hydroxide react with excess sodium hydroxide?
There is no reaction , because of the Common Ion Effect. The Common Ion is the Hydroxide.
How will you change the aspirin to make it water soluble?
Usually by converting it to its sodium salt, by reaction with sodium hydroxide.
Why is sodium hydroxide added into the conical flask containing a analgesic or aspirin?
to decrease ph
How could you determine the amount of sodium hydroxide found in the commercial cleaner like Clorox?
I think it says on the container the amount of sodium hydroxide found Clorox
Solution of water and aspirin an acid?
Yes it will be weakly acidic. Aspirin's scientific name is acetylsalicylic acid, with a pKa of 3.5. This would mean that for a solution of 0.1 M aspirin, the pH of the solution would be approximately 2.26.
What is formed when Excess of sodium hydroxide react with zinc?
This reaction is to be carried out with Sodium hydroxide dissolved in water and Zinc oxide. The product is Sodium Tetrahydroxidozincate(2-) or Simply Sodium Zincate.ZnO + 2 NaOH + H2O ----> Na2Zn(OH)4
What is the Name for NaOH?
The chemical name is Sodium Hydroxide. It is made of Na+ ions and OH- ions.
Copper reacts with sodium hydroxide?
Copper metal itself does not react with sodium hydroxide. But when NaOH is added to a solution of copper ions, it would form a light blue precipitate, which is copper(II) hydroxide, and will NOT dissolve with the excess alkali.
What do you get when you mix iron3 nitrate with sodium hydroxide?
precipitated Fe(OH)3 = ferric hydroxide or Fe(OH)4-(aq) = ferrate anion in solution, when in excess of hydroxide
Colors of sodium hydroxide in phenolphthalein?
pink to fuchsia or colorless depending on the amount of sodiumhydroxide . Sodium hydroxide is colorless. The Phenophtalein gives the solution its colour
