Reaction for MgSO4 + NH3 (Magnesium sulfate + Ammonia)

How to Write the reaction for MgSO4 (aq) + NH3 (aq) = (NH4)2SO4 (aq) + Mg(OH)2 (s)
Because the NH3 is aqueous (dissolved in water) we can write the reaction as:
MgSO4 (aq)+ NH4OH (aq) = (NH4)2SO4 (aq) + Mg(OH)2 (s)
Note: when NH3 is dissolved in H2O (water) a small amount will dissociate into NH4+ and OH- ions. To show that they are dissolved in water we can write (aq) after each. The (aq) shows that they are aqueous - dissolved in water.
Even though NH3 (Ammonia) very soluble in water, it is a weak base. Only 0.42% of the NH3 molecules will form NH4OH. This an equilibrium. At any given time 0.42% of the NH3 molecules will be in the form of NH4OH. (see en.wikipedia.o....
Often we consider equations showing ions to be net ionic equations. For help with net ionic equations see • How to Write and Balan... .
There are three main steps for writing the net ionic equation for MgSO4 (aq) + NH3 (aq) = (NH4)2SO4 (aq) + Mg(OH)2 (s) (Magnesium sulfate + Ammonia). First, we balance the molecular equation.
Second, we write the states and break the soluble ionic compounds into their ions (these are the strong electrolytes with an (aq) after them). Finally, we cross out any spectator ions.
These are the ions that appear on both sides of the ionic equation.
If you are unsure if a compound is soluble when writing net ionic equations you should consult a solubility table for the compound.
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Important Skills
Finding Ionic Charge for Elements: • Finding the Ionic Char...
Memorizing Polyatomic Ions: • Memorizing and Using t...
Determining Solubility: • Solubility of Ionic Co...
More Practice
Introduction to Net Ionic Equations: • How to Write and Balan...
Net Ionic Equations Practice: • Net Ionic Equations Pr...
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General Steps:
1. Write the balanced molecular equation.
2. Write the state (s, l, g, aq) for each substance.
3. Split soluble compounds into ions (the complete ionic equation).
4. Cross out the spectator ions on both sides of complete ionic equation.
5. Write the remaining substances as the net ionic equation.
Writing and balancing net ionic equations is an important skill in chemistry and is essential for understanding solubility, electrochemistry, and focusing on the substances and ions involved in the chemical reaction and ignoring those that don’t (the spectator ions).
More chemistry help at www.Breslyn.org

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[@wbreslyn]

My pleasure 😊

[@juiceep23]

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[@wbreslyn]

You are welcome!

[@sayarakuwar2129]

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[@wbreslyn]

Glad you like them!

[@Aniket_Mane]

Watched video of Valance Electrons which is uploaded 8 years ago. Really helped. Love from India

[@wbreslyn]

Awesome!

[@bonniechang817]

great explanation!

[@wbreslyn]

Thanks!

[@mawais3431]

Amazing video 🙂.GOD bless you

[@lightcapmath2777]

The demonstration was impressive. Question: what can you do with the precipitate?

[@wbreslyn]

You could filter it out, evaporate the solution left behind, and have (NH4)2SO4. It's often used as a fertilizer as well as to precipitate proteins from solution.

[@lightcapmath2777]

@@wbreslyn interesting...thank you Dr. B

[@PranavViswanathan]

the resulting precipitate is also used as the main component of an antacid, milk of magnesia

[@laxmankoirala405]

This video was so briefed

[@wbreslyn]

Thanks!

[@whyyoulooking4944]

Thanks :)

[@wbreslyn]

No problem!

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[@wbreslyn]

Awesome! Thank you!

[@wizardff4053]

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[@adamdanish5184]

hye i'm a 17 year old student & I'M REALLY INTERESTED IN THAT SOLUBILITY CHART (yes, i'm new here)

[@wbreslyn]

The solubility chart is extremely helpful in chem! Check out this video: kzbin.info/www/bejne/qZ_boJidr7uhjdk

[@tony6915]

i love chemistry ♥

[@ronmanta2828]

these reactions serve as fertilizers in small amounts??

[@himanshuyadav5362]

Please make a video on the topic carbon and it's compounds

[@wbreslyn]

Its on my list!

[@himanshuyadav5362]

@@wbreslyn can u please share it's link here , I would be very grateful to u

[@wbreslyn]

@@himanshuyadav5362 Hopefully I'll get to making it soon, my list is rather long as can imagine!

[@himanshuyadav5362]

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[@dontloseyourhope9426]

İt's interesting . 👍

[@wbreslyn]

Thanks!

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How made texapon? Rommy from Indonesia

[@himanshuyadav5362]

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[@wbreslyn]

Welcome 😊

[@mallikarjunareddy1991]

Double displacement reaction

[@wbreslyn]

Yes, for the NHOH + MgSO4, that is correct!

[@harishkaria9679]

Sir which powder is used for making synthetic coolant

[@wbreslyn]

That is a good question. I'll can find is that it is supposed to be biodegradable.

[@harishkaria9679]

@@wbreslyn powder name pl

[@wbreslyn]

@@harishkaria9679 This is all I see out there.... www.walmart.com/ip/CRL-2651005-Blue-Synthetic-Coolant-Powder-1-Pound/933754175

[@MTRfundamentalist]

I've checked that the reaction is exothermic, with a heat release of 157 kJ/mol.

[@wbreslyn]

Good to know. I didn't see any temp changes but there was a lot of water involved.

[@MTRfundamentalist]

@@wbreslyn But in fact, water is consumed in the reaction.

[@wbreslyn]

Agreed, when the NH3 and H2O for the NH4OH. Compared to the amount of water in the beaker it should be a fairly small amount. What was interesting to me is just how soluble MgSO4 . 7H2O is in water. Something like 100 grams in 100 ml H2O. The molar mass of the MgSO4 is about the same as the 7H2O...

[@МихаипМухин]

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[@sathyam1648]

Sir how your project is going ?

[@wbreslyn]

Good, but slowly. It takes so long to analyzed data and write up findings! But Oct 15 is the deadline!

[@Ramkumar-pb3dt]

@@wbreslyn sir did u have any project related with ammonium hydroxide

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Xin chào

[@wbreslyn]

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[@SurendarKumar-bc7jm]

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[@wbreslyn]

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