Bases have a pH > 7.0 BUT this merely describes the concentration of ions. Strong usually describes if all the substance ionizes, not how many ions are present.
EX. NaOH is a strong base, but the pH of a solution of NaOH can be anywhere from 7.1 to 14 depending on how much has been dissolved.
HNO3 is nitric acid. De[emdimng on its level of concentration it can vary from '0' (very concentrated ; 16M) to '3'. ) low concentration (dilute ' say 0.6 M).
pH of a strong acid would be '1' or '2'
pH of a weak acid would be '5' or '6' .
NB 'pH' is a logarithmic scale of the hydrogen ion content of a substance. The small/bigger the number, the greater/lesser the hydrogen ion content.
A numerically high pH , the hydrogen ions are very low . e,.g, pH 12 is a very alkaline solution.
A numerically low pH , the hydrogen ions are very high . e.h. pH 2 is very acidic .
Pure de-ionised water at 25 oC and atmospheric pressure has a pH = 7 (neutrallity).
NB
pH = 1 - 6 is acidic
pH = 8-14 is alkaline.
For pure distilled de-ionised water at 25 oC the pH = 7
When water is heated above this temperature it pH may become less. . Reason water is in equilibrium between hydrogen ion and hydroxide ion.
Heating water makes it dissociate more into its ions.
H2O H^+ + OH^-
H2O More H^+ & more OH^-
Since we are measuring the hydrogen ion concentration[H^+] and there is more of them the the pH is < 7 (more acidic).
Acidic Soil has a low pH .
Remember the pH scale.
1 ( very acidic) ,, to 7 (neutral) ,, to 14 (very alkaline).
Farmers often put lime on acidic soil in order to remove the acidity.
As per the equation.
2H^+(aq) + Ca(OH)2(s) = Ca^(2+)(aq) + 2H2O(l)
It should be noted that plants prefer acidic conditions, and other prefer more neutral/alkaline conditions.
Because if you don't maintain a constant pH you will become ill.
Alcoholic intoxication is a classic point. The Alcohol(Ethanol/Ethyl Alcohol) alter the bodies pH . With excess alcohol the pH is altered to a greater extent, so you will feel ill (hangover).
HCl fully disolvis to H^+ & Cl^-
Hence there are 1.1M of H^+ present and 1.1M of Cl^- present.
pH = -log(10) [ H^+]
In word, 'pH is the negative logarithm to the base ten of the hydrogen ion concentration.
Hence pH = -
pH =log(10)[1.1]
pH = -0.0413
pH =-4.13 x 10^-2
pH ~ 2.0
KOH(aq) + HNO3(aq) = KNO3(aq) + H2O(l)
The pH level of a particular Lysol product can vary depending on its specific formulation and ingredients, and this information is often not disclosed on the product label.
However, many disinfectant cleaners, including Lysol products, generally have a pH level that is alkaline or basic, usually above 7 on the pH scale. This alkalinity is effective in disinfecting and killing bacteria and viruses.
For accurate information regarding the pH level of a specific Lysol product, I recommend checking the product label or contacting the manufacturer directly. They might provide detailed information on the pH level or offer customer support to address inquiries about their product formulations.
Acetone (C3H6O) has a pH of 7, which means that the substance, on its own, is neither an acid nor a base. This pH value, which is about the same as pure water, shows that acetone is relatively neutral. The organic compound is also known by the IUPAC name of propanone.
Just water.
Actually, there are lots of things that could have a pH of 7, not just water. For example, salt water could have a pH of 7 depending upon what kinds of salts and how much of each kind of salt was in the water.
If it is common salt ( sodium chloride) the pH should not alter as they are both neutral substances at pH = 7.
Phosphorus trichloride (PCl3) is a covalent compound and does not have a pH level. pH is a measure of the acidity or alkalinity of a solution and is applicable to aqueous solutions. PCl3 is a liquid compound and not soluble in water, so it does not have a pH value.
somewhere around 7 to 9. I did a lab on it and the seed with water (water has pH level of 7) grew the most
not only ph test is good for plant NPK is best solution to improve ph for soil too for growing plants
It is about pH 1 to 2. The gastric acid in our stomach (mainly consisting of hydrochloric acid, HCl) is at this pH level. The acidic medium is necessary for the digestive enzymes, such as those involved in the digestion of proteins, in gastric juice to work.
It depends on the ingredients, the assisting materials or spices you use. If you add a little vinegar, lemon..it will reduce the pH (tends to acidic). Tomato if added will also reduce pH
el pH es un parametro medido para conocer la calidad del agua,saber si permitira un desarrollo optimo del pez,basado en el nivel de acidez y alcalinidad de la misma, (presencia de carbonatos y bicarbonatos).En pisciculturas se toma 2 o 3 veces al dia y los valores van de 6.5-9.
It is very hard to lower pH in an aquarium. The store with suggest using "PH Down," but it does not work. I have tried it, but the pH just goes back to normal within a day. Using chemicals to lower your pH usually will do more harm than good. It is better to just keep your pH at a constant number.