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jeyben [28]
3 years ago
15

A buffer solution is prepared by adding NaH2PO4 to a solution of H3PO4 (phosphoric acid).

Chemistry
1 answer:
Softa [21]3 years ago
4 0

Answer:

remains the same

Explanation:

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(a) Write the dissolution reaction for solid Na2CO3 below. (Use the lowest possible coefficients. Include states-of-matter under
Andreas93 [3]

<u>Answer:</u>

<u>For a:</u> The chemical equation for the dissolution of sodium carbonate is Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)

<u>For b:</u> The net acid-base reaction is CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)

<u>Explanation:</u>

  • <u>For a:</u>

Dissolution reaction is defined as the reaction in which a solid compound gets dissolved in water to form aqueous solution.

The chemical equation for the dissolution of sodium carbonate follows:

Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)

Ionization reaction is defined as the reaction in which an ionic compound dissociates into its ions when dissolved in aqueous solution.

The chemical equation for the ionization of sodium carbonate follows:

Na_2CO_3(aq.)\rightarrow 2Na^+(aq.)+CO_3^{3-}(aq.)

  • <u>For b:</u>

Now, the anion formed which is CO_3^{2-} reacts with water to form conjugate acid.

The chemical equation for the reaction of anion with water follows:

CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)

Hence, the net acid-base reaction of the anion formed and water is written above.

3 0
3 years ago
Which of the following is included in the measure of U.S. GDP?
finlep [7]

the value of increase in business inventories.

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Which sample of water contains particles having the highest average kinetic energy?
34kurt
I think the answer is b
8 0
3 years ago
Which information in the periodic table indicates the number of protons in an atom?      A. the position of the element in its c
Leni [432]
Hi there!


D is true

the number of protons is same as atomic number in an atom


good luck!
3 0
3 years ago
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What are the reactants and products? Write a reaction equation and label the reactants and products.
djyliett [7]
Reactants are the substance that undergo a change in a chemical reaction while products are what is produced after a reaction. don't have time to write a reaction.
8 0
3 years ago
Read 2 more answers
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