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konstantin123 [22]
3 years ago
6

If the salt created from the reaction of a strong acid and a weak base is added to a solution, what will happen to the solution

Chemistry
1 answer:
hoa [83]3 years ago
4 0

Answer:

See Explanation

Explanation:

When a salt is dissolved in water, the solution could be acidic, basic or neutral depending on the nature of acid and base from which the salt was formed.

When a salt is formed from a strong acid and a weak base, the salt solution is acidic.

For instance, NH4Cl is a salt formed from NH3 which is a weak base and HCl which is a strong acid. The salt hydrolyses as follows;

NH4^+(aq) + H2O(l)  ------> H3O^+(aq) + NH3(aq)

Hence an acidic solution is formed.

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Why is melting an ice cube a reversible physical change?
Dmitriy789 [7]

Answer:

Because you can freeze the water you melted back into a ice cube.

Explanation:

7 0
2 years ago
Hich of the following statements is true about what happens during a chemical reaction?
postnew [5]
I believe it is <span>d. the bonds of both the reactants and the products are formed.</span>
6 0
3 years ago
In the reaction 2H2O (1)+ 2Cl^- (aq)= H2(g)+Cl2 (g)+ 2OH^-(aq), which substance is reduced?
Oksanka [162]

Answer:- C. H

Explanations:- Reduction is gain of electron. In other words we could say that decrease in oxidation number is reduction.

As per the rules, oxidation number of hydrogen in its compounds is +1(except metal hydrides) and the oxidation number of oxygen in its compounds is -2.

The oxidation number in elemental form is zero.

In H_2O , the oxidation number of H is +1 and oxidation number of O is -2. Oxidation number of Cl in Cl^- is -1. On product side, the oxidation number of hydrogen in H_2 is zero and in OH^- the oxidation number of H is +1 and that of O is -2. Oxidation number of Cl in Cl_2 is 0.

From above data, Oxidation number of O is -2 on both sides so it is not reduced.

Oxidation number of Cl is changing from -1 to 0 which is oxidation.

Oxidation number of H is changing from +1 to 0 which is reduction.

So, the right choice is C.H

8 0
3 years ago
Label the liquids from least to most dense, Vegetable oil, water, Dish soap, Corn syrup, Honey
masya89 [10]

Answer:

1. Vegetable oil

2. Water

3. Dish soap

4. Corn syrup

5. Honey

8 0
3 years ago
What is the density of a liquid if the volume is 25 mL and the mass is 20.0 g?
LenKa [72]

Answers:  

                   Density = 0.8 g/mol.        

Given data:

                   v = 25 ml

                    m = 20 g

                    δ = ?

Solution:

               Formula for calculating density is given as,

                Density = Mass / Volume    

                 putting values  

                 Density = 20.0 g / 25 ml

                  Density = 0.8 g/mol.

3 0
3 years ago
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