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kenny6666 [7]
3 years ago
9

The pH of an aqueous solution:_________

Chemistry
1 answer:
dybincka [34]3 years ago
7 0

Answer:

d) must remain at 7

Explanation:

The pH of the aqueous solution should be kept at 7 as it is considered to be a neutral pH chemical.

If the pH exceeds the value 7, it is considered alkaline, and without the pH decreases from the value 7, it is considered acidic.

That is why if this value varies, the qualities of the neutral pH will not be maintained.

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22.17 grams of Mercury (II) Nitrate, Hg(NO3)2, reacts with an excess of Potassium, K.
Svetradugi [14.3K]

Answer:

Mass = 14.0 g

Explanation:

Given data:

Mass of mercury nitrate = 22.17 g

Mass of mercury formed = ?

Solution:

Chemical equation:

Hg(NO₃)₂ + 2K    →    2KNO₃ + Hg

Number of moles of mercury nitrate:

Number of moles = mass/molar mass

Number of moles = 22.17 g / 324.6 g/mol

Number of moles = 0.07 mol

Now we will compare the moles of Hg(NO₃)₂ and mercury.

                Hg(NO₃)₂       :        Hg

                     1                :          1

                  0.07             :       0.07

Mass of mercury:

Mass = number of moles × molar mass

Mass = 0.07 mol × 200.6 g/mol

Mass = 14.0 g

7 0
3 years ago
What Happens When extra Solute is added to unsaturated ,saturated and supersaturated solution​
Ymorist [56]

of water is 36.0 g. If any more NaCl is added past that point, it will not dissolve because the solution is saturated. If more solute is added and it does not dissolve, then the original solution was saturated. If the added solute dissolves, then the original solution was unsaturated.

8 0
2 years ago
What three things happen in order for a chemical reaction to occur?
MissTica
Three things that should happen for a chemical reaction to occure :
1. Position of electrons must change
2. Chemical bonds must be formed and broken between atoms and
3. No changes should happen to the nuclei
4 0
3 years ago
What can be said about the reactants and the products in this reaction?
lord [1]

Answer:

Explanation:

Allstate

4 0
3 years ago
Is AgNO3 soluble or insoluble in water?
gtnhenbr [62]

Answer:

Silver Nitrate is very soluble in water.

5 0
3 years ago
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