the equivalence point has been reached
A neutral solution of about 7 pH.
A mil is a measurement that equals one-thousandth of an inch, or 0.001 inch.
The equivalence point is reached in a titration when the moles of acid are equal to the moles of base added. At the equivalence point, the pH of the solution is at its maximum or minimum value, depending on whether a strong acid or base is used in the titration.
Maybe the molar ratio of Ca to EDTA at equivalent titration is miscalculated: Not 2 Ca reacts with 1 EDTA (= tetra-acetate) but it is an equi-molar reaction: 1 Ca reacts with 1 EDTA.Not Ca2Edetate is formed, but rather CaH2Edetate (monocalcium dihydrogen ED-tetra acetate)If so the EDTA analysis outcome will be halved, so I would more trust on the FPM-outcome 2 ppmIf not, then I really don't know. Try a recalculation, succes.
1 Liter = 0.001 cubic meter. It doesn't matter what it has or doesn't have in it, or even if it's a total vacuum.
A neutral solution of about 7 pH.
Calcium and water react to form calcium hydroxide and hydrogen. Ca + 2H2O --> Ca(OH)2 + H2
The pH of water is 7, which is considered neutral. This is because the concentration of hydrogen ions equals the concentration of hydroxide ions in pure water, making it neither acidic nor basic.
In a solution with pH 7, the concentration of hydroxide ions (OH-) equals the concentration of hydrogen ions (H+), with each being 10^-7 moles per liter. This represents a neutral solution where the two ions balance each other out.
The molar mass of sodium (Na) is 22.99 g/mol, and the molar mass of hydroxide (OH) is 17.01 g/mol. To find the molar mass of sodium hydroxide (NaOH), you can add the molar masses of sodium and hydroxide together, which equals 39.00 g/mol.
In pure water, at standard conditions, the number of hydrogen ions (H⁺) is equal to the number of hydroxide ions (OH⁻). This balance occurs due to the self-ionization of water molecules: H 2 O ⇌ H OH − H 2 O⇌H +OH − For every water molecule that dissociates, one hydrogen ion (H⁺) and one hydroxide ion (OH⁻) are produced. The concentration of hydrogen ions (H⁺) is often denoted as [H⁺], and the concentration of hydroxide ions (OH⁻) is denoted as [OH⁻]. In neutral water (pH 7), these concentrations are equal: [H+]=[H−]=10−7 mol/L [H+ ]=[OH− ]=10−7 mol/L This balance ensures that the solution remains neutral. However, in acidic solutions, the concentration of hydrogen ions (H⁺) is higher than that of hydroxide ions (OH⁻), while in basic solutions, the concentration of hydroxide ions (OH⁻) is higher than that of hydrogen ions (H⁺). The product of the hydrogen ion concentration and the hydroxide ion concentration is always 10−14 mol 2 / L210−14 mol2 /L2 at 25°C, known as the ion product of water.
Magnesium reacts with oxygen to form magnesium oxide, and reacts with hydrogen to form magnesium hydride. There is no single chemical reaction that combines all three elements together to form a specific compound.
An acid-base titration is used to determine the concentration of an unknown acid or base by reacting it with a known concentration of the opposite type. The equivalence point of the titration is reached when the amount of acid equals the amount of base, allowing for the determination of the unknown concentration.
OH(-) A hydroxide. base
Well 2 atoms of hydrogen and 1 atom of oxygen equals water. Equal parts H and O equals hydrogen peroxide.
A mil is a measurement that equals one-thousandth of an inch, or 0.001 inch.
Hydrogen