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IgorLugansk [536]
3 years ago
9

Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) with K2SO4(aq). Solubility Rules are found here.

Chemistry
1 answer:
Inessa05 [86]3 years ago
5 0
Write out the equation: 
AgNO3(aq)+K2SO4(aq) --> Ag2SO4(s)+K2(NO3)... 

Balance the equation: 
2 AgNO3(aq)+K2SO4(aq) --> Ag2SO4(s)+K2(NO3)2... 

Remember to keep molecules intact when you write out the ions.
(2Ag+)+(2NO3-)+(2K+)+(SO42-) --> (Ag2SO42
Cancel out all the spectator ions. These are ions that watch the reaction that didn't change. For this problem 2K+ & 2NO3- are the spectator ions. 

You are left with your net ionic equation of
2Ag+(aq)+SO42-(aq)-->Ag2SO4(s)
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Answer: Option (B) is the correct answer.

Explanation:

Isotopes are the substances or species that contain same number of protons but different number of neutrons.

As it is known that atomic number means the total number of protons present in an atom. Hence, this also means that in isotopes atomic number of the species is same.

For example, isotopes of hydrogen are ^{1}_{1}H, ^{2}_{1}H, and ^{3}_{1}H.

Isotopes of only heavier elements are radioactive in nature as they have large difference in the number of protons and neutrons.

Thus, we can conclude that the statement isotopes of the same element have the same atomic number but differ in their atomic masses, is correct.

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3 years ago
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6 0
3 years ago
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3 years ago
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If 6.2 mold of H2SO4 is dissolved to make 750 ml of sulfuric acid what is the molarity
ludmilkaskok [199]

Answer: The molarity of given solution is 8.26 M.

Explanation:

Given: No. of moles = 6.2 mol

Volume = 750 mL (1 mL = 0.001 L) = 0.75 L

Molarity is the number of moles of a substance present in a liter of solution.

Therefore, molarity of given solution is converted as follows.

Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{6.2 mol}{0.75 L}\\= 8.26 M

Thus, we can conclude that the molarity of given solution is 8.26 M.

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3 years ago
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