Calculating Ammonia/Water Ratio for pH Adjustment

  • Thread starter Thread starter FC Copenbadly
  • Start date Start date
  • Tags Tags
    Ph Relationship
AI Thread Summary
To raise the pH of 100,000 liters of stormwater from 8 to 9 or greater, the concentration of ammonia (NH3) needed at 25% concentration and a pH greater than 13 is being inquired about. The initial pH of the water was between 7 and 7.5, and the current pH is 8. The discussion emphasizes the importance of understanding the water's buffering capacity, as this will influence the amount of ammonia required to achieve the desired pH increase. Further details on the water's composition may be necessary for a precise calculation.
FC Copenbadly
Messages
2
Reaction score
0
Hello!

If I have 100,000 litres of water at a pH of 8. How much NH3 at a concentration of 25%, pH >13 would I require to bring total pH to 9 or greater. An approximate figure would suffice if anyone can help.

Thanks in advance.
 
Chemistry news on Phys.org
We need to know what is in the water and its concentration that is keeping the pH at 8. Is it buffered at pH 8, for example?
 
Hi,

Thanks for the reply.

It's just a reservoir of storm water. The pH before hand might have been 7 or 7.5, I'm just wondering how much ammonia it would take to raise the pH of 100,000 litres by 1. Either from 7 - 8 or 7.5 - 8.5 Hopefully this is enough information but if you require more I'll do my best and thanks again.
 

Thread 'Humidity of a saturated NaCl solution with anticaking additive'

I want to test a humidity sensor with one or more saturated salt solutions. The table salt that I have on hand contains one of two anticaking agents, calcium silicate or sodium aluminosilicate. Will the presence of either of these additives (or iodine for that matter) significantly affect the equilibrium humidity? I searched and all the how-to-do-it guides did not address this question. One research paper I found reported that at 1.5% w/w calcium silicate increased the deliquescent point by...
View full post »

Thread 'Why does having 8 valence electrons make an element inert?'

I was introduced to the Octet Rule recently and make me wonder, why does 8 valence electrons or a full p orbital always make an element inert? What is so special with a full p orbital? Like take Calcium for an example, its outer orbital is filled but its only the s orbital thats filled so its still reactive not so much as the Alkaline metals but still pretty reactive. Can someone explain it to me? Thanks!!
View full post »

Thread 'Resists for etching Aluminium with NaOH'

I'm trying to find a cheap DIY method to etch holes of various shapes through 0.3mm Aluminium sheet using 5-10% Sodium Hydroxide. The idea is to apply a resist to the Aluminium then selectively ablate it off using a diode laser cutter and then dissolve away the Aluminium using Sodium Hydroxide. By cheap I mean resists costing say £20 in small quantities. The Internet has suggested various resists to try including... Enamel paint (only survived seconds in the NaOH!) Acrylic paint (only...
View full post »

Similar threads

How do I calculate the pH of slime and its effect on viscosity?
Replies
2
Views
3K
Chemistry Understanding how to calculate pH of a buffer solution
Replies
2
Views
1K
How Can Ammonia Be Used to Adjust the pH of a Highly Acidic Solution?
Replies
11
Views
3K
Water molecules effect on Hydrogen bonds in precipitation
Replies
2
Views
2K
Calculating the pH of CO2 dissolved in 1l of water
Replies
2
Views
15K
MHB How Can One Demonstrate the Ratio Between the Hypotenuses of Two Triangles?
Replies
2
Views
2K
Differential Equations in Chemistry
Replies
1
Views
3K
PH to ppm with ammonia chart/problem
Replies
2
Views
12K
How to Calculate Final Pressure in a CO2-Saturated Sealed Vessel?
Replies
4
Views
3K
How Do You Calculate NaCH3COO Concentration and Predict pH at Equivalence Point?
Replies
4
Views
3K

Hot Threads

Recent Insights

Back
Top