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Alkaline, but you need to know the concentration and the dissociation constant to calculate pH

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16y ago

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Does sodium hydrogen carbonate have a lower pH than sodium hydroxide?

It depends on the concentrations of these substances. However, sodium hydroxide is a very strong base and therefore is capable of producing solutions with high pH values. On the other hand, sodium hydrogen carbonate is weakly acidic, and is therefore capable of producing solutions that are somewhat less than neutral. (Carbonic acid is itself a weak acid.)


What has the highest pH value acetic acid or sodium hydroxide or sodium carbonate or sulphuric acid?

sodium hydroxide


What is the effect of sodium hydrogen carbonate on vitamin C?

Vitamin C is sensitive for temperature and sodium hydrogen carbonate. When heated for a very long time, the amount of vitamin C will decrease. When heated at a constant temperature with a concentration of sodium hydrogen carbonate, more vitamin C will be lost.


Why sodium carbonate solution is alkaline in nature?

Sodium carbonate solution is alkaline because of the carbonate ion. Sodium ions do not change the pH. However, carbonate, being the conjugate base of a weak acid (carbonic acid/hydrogen carbonate) does affect the pH. The carbonate ions can abstract a proton to form hydrogen carbonate, HCO3-. When the proton is abstracted from water, hydroxide ions form which results in a higher pH (more basic).


How is sodium bicarbonate distinguished from sodium carbonate based on the pH values?

pH of a equi-molar solution of Na-carbonate is much higher ( >10 mostly) than of the same Na-bicarbonate (pH roughly 8).The first contains a (bi-ionic) double base: CO32-while the 2nd contains one mono-acid and a mono-basic (ampholyte) ion: HCO3-


What happens when sodium hydrogen carbonate solution is mixed with water?

When sodium hydrogen carbonate (baking soda) is dissolved in water, it dissociates to form sodium ions, bicarbonate ions, and some carbonate ions. This results in a slightly alkaline solution due to the presence of bicarbonate ions which can act as a buffer. The overall pH of the solution would be around 8.4.


Is sodium hydrogen carbonate n acid or alkali?

Sodium hydrogen carbonate is a weak base (alkali) due to the presence of the bicarbonate ion that can accept a proton (H+). It can act as a buffer to help maintain a stable pH solution.


Why does sodium carbonate increase the pH of wash water?

Sodium carbonate is a basic compound that can increase the pH of water by neutralizing acidic components present in the wash water. It reacts with hydrogen ions in the water, increasing the pH and making it more alkaline.


What are the pH's of sodium carbonate and sodium bicarbonate?

The pH of sodium carbonate is around 11-12 due to its basic nature, while the pH of sodium bicarbonate is around 8-9 as it is slightly alkaline when dissolved in water. Both compounds are used as buffers and in various applications due to their pH properties.


Need Help with my pH calculation?

1) 0.10 mol of solid sodium hydrogen carbonate and 0.20 mol of solid sodium carbonate are dissolved in the same beaker of water, transferred to a volumetric flask and made to 250.0 mL. The Ka for HCO3 - is 4.7 x 10-11. a) What is the pH of the resulting buffer? b) What is the pH of solution after 20.00 mL of 0.050 mol L-1 hydrochloric acid solution is added to 25.00 mL of the original solution? c)What is the pH of the resulting buffer after 0.040 g of solid sodium hydroxide is added to 25.00 mL of the original solution? 2) Plan how you would make 100.0 mL of a buffer solution with a pH of 10.80 to be made using only sodium carbonate, sodium hydrogen carbonate and water.Youshould specify the amounts of sodium carbonate and sodium hydrogen carbonate that you would use. ( the ration acid to base is 3:1)


What is the pH of sodium carbonate solutions?

The pH of sodium carbonate solutions is typically around 11-12, making it basic or alkaline.


What does a sodium hydrogen carbonate indicator do?

A sodium hydrogen carbonate indicator is used to test for the presence of acids. It turns pink in the presence of an acid and yellow in the presence of a base. This color change helps to determine whether a solution is acidic or basic.