Equivalent weight of bicarbonate ion

In the case of a monovalent compound such as sodium chloride, the equivalent weight is the same as the molecular weight. Therefore, the equivalent weight of bicarbonate ion is given by. Convert the concentration of bicarbonate ion from mgl to mgl as using the expression. Human drugs fda approved drug products with therapeutic equivalence. Name formula molecular weight equivalent weight aluminum sulfate al 2so 4 3 18h 2o 666. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Bicarbonate ion definition of bicarbonate ion by medical.

As the equivalent weight of bicarbonate is 61 mgmeq we would multiply the 3. Note that for demineralizer calculations, the co 32 ion will not exist as a divalent carbonate ion but as a monovalent bicarbonate ion hco 31 with a conversion. Equivalent weight also known as gram equivalent is the mass of one equivalent, that is the mass of a given substance which will combine with or displace a fixed quantity of another substance. Use this equation to calculate the alkalinity in terms of caco 3. Divide the molar mass by the ion charge or oxidation number to determine equivalent. Chemical epm to ppm conversion last updated on wed, feb 2019 calculation formulas conversions the following table lists the equivalent weight of various cations and anions. If 1 mol of nacl and 1 mol of cacl 2 dissolve in a solution, there is 1 equiv na, 2 equiv ca, and 3 equiv cl in that solution. Structure, properties, spectra, suppliers and links for. How to calculate alkalinity as concentration of caco3 sciencing.

How to calculate alkalinity as caco3 ewb ucsb kenya project. The valence of calcium is 2, so for that ion you have 1 mole and 2 equivalents. Bicarbonate definition of bicarbonate by the free dictionary. The former case applies to acids, which are proton donors, while the second applies to bases, which are proton acceptors. Bicarbonate is an electrolyte, a negatively charged ion that is used by the body to help maintain the bodys acidbase ph balance. Converting carbonate alkalinity from mgl as caco3 to mgl as. Bicarbonate ion concentration in mgl is a bit bigger than the alkalinity by about 6150 or 22% under normal circumstances. Here, the molecular weight of bicarbonate ion is, the total charge on the bicarbonate ion is, and an equivalent weight of bicarbonate ion is.

How to calculate alkalinity as concentration of caco3. It is the conjugate base of the hydrogen carbonate bicarbonate ion, hco. Upon dissociation, sodium bicarbonate forms sodium and bicarbonate ions. The bicarbonate ion hydrogencarbonate ion is an anion with the empirical formula hco. The equivalent weight of an element or radical is equal to the ratio of its atomic weight or formula weight devided by its valency. Sodium bicarbonate uses, dose, side effects healing is. Calculate alkalinity in terms of calcium carbonate using titrate volume, titrate concentration, water sample volume, a correction factor based on the titration method and the conversion factor for milliequivalents to milligrams of calcium carbonate.

In every case, it is necessary to define the unit weight basis of the resultsppm alkalinity as caco 3 or ppm sulfate as so 4 2 or ppm silica as sio 2. In every case, it is necessary to define the unit weight basis of the resultsppm alkalinity as caco3 or ppm sulfate as so4 2 or ppm silica as sio2. Nahco3 already has one hydrogen and hco31 bicarbonate anion is the ion to be titrated. Calculate the equivalent weight of bicarbonate ion using the equation. How would one calculate the equivalent weights of the.

The unit of equivalent weight is the atomic mass unit. A dose of 24 mlkg of 3% nacl provides an equivalent sodium ion concentration to that of a dose of 12meqkg sodium bicarbonate. The initial dose of intravenous 1 meqkg is administered. Carbonate ion is a polyatomic ion with formula of co3. The bicarbonate ion carries a negative one formal charge and is the. Na2co3 produces co32 carbonate anion that can react with two hydrogens so its equivalent weight is one half the formula weight. Equivalent weight, in chemistry, the quantity of a substance that exactly reacts. Hydrogencarbonate is the carbon oxoanion resulting from the removal of a proton from carbonic acid. If your alkalinity is reported as 100 ppm as caco3 then the amount of acid the lab used in measuring it is 10050 2. It consists of one carbon atom surrounded by three oxygen atoms, in a trigonal planar arrangement, with d 3h molecular symmetry. How to read a water report german brewing and more. By this definition, an equivalent is the number of moles of an ion in a solution, multiplied by the valence of that ion. This formula assumes that the waters alkalinity is only represented by bicarbonate and the acid needed to lower its ph to the reference ph of 4. Sodium bicarbonate is contraindicated in patients with renal failure, respiratory or metabolic.

The variables used are the volume of acid b used in the titration, the concentration of the acid c a, the volume of water in the sample v s and a correction. What is the equivalent weight of potassium carbonate answers. Multiply alkalinity in eql by the equivalent weight of caco3 to calculate it in. Calculation of bicarbonate, carbonate and hydroxide alkalinity. It also works with the other electrolytes sodium, potassium, and chloride to maintain electrical neutrality at the cellular level. It consists of one carbon atom surrounded by three oxygen atoms, in a trigonal planar arrangement, with d3h molecular symmetry. Since the valence of bicarbonate is 1 actually 1, its the same as the molecular weight. The carbonate family of ions are the big players in determining brewing water chemistry. Bicarbonate ion is a polyatomic ion whose formula is hco3.

It has a role as a human metabolite, a saccharomyces cerevisiae metabolite, an escherichia coli metabolite and a mouse metabolite. Sep 06, 2011 an equivalent is defined as the gram molecular weight divided by the valence. Convert the concentration of bicarbonate ion from mgl to mgl as using the expression here. Feb, 2010 nahco3 already has one hydrogen and hco31 bicarbonate anion is the ion to be titrated. The equivalent weight of a substance may vary with the type of reaction it undergoes. Divide the molar mass by the ion charge or oxidation number for caco3 to determine equivalent eq. An equivalent is defined as the gram molecular weight divided by the valence. Chemical epm to ppm conversion calculation formulas. Calculations, quantities, dilutions and concentrations. The amount of any calcium in any lime is standardized to calcium carbonate, using cce, calcium carbonate equivalent.

Equivalent weight of an oxidizing or reducing agent. Theoretical equivalent weight of sulfuric acid h 2 so 4 49. This 24mlkg dose of 3% nacl will provide approximately 12meq of sodium per kilogram of body weight. How would one calculate the equivalent weights of the caustic. The equivalent weight of an element or radical is equal to its atomic weight or formula weight divided by the valence it assumes in compounds. This test measures the total amount of carbon dioxide co 2 in the blood, which. Thus, potassium permanganate reacting by double decomposition has an equivalent weight equal to its gram molecular weight, 158. Equivalent weights were originally determined by experiment, but.

What is the equivalent weight of calcium carbonate answers. The weight of a compound that contains one equivalent of a proton for acid or one equivalent of an hydroxide fo. Hydrogen carbonate ion hco3 molecular weight endmemo. Dec 05, 2012 as the equivalent weight of bicarbonate is 61 mgmeq we would multiply the 3. It is an archaic unit of measurement that was used in chemistry and the biological sciences in the era before researchers knew how to determine the chemical formula for a compound. The basics of ion exchange and water chemistry the water. As the equivalent weight of bicarbonate ion is 61 that measn 122 mgl bicarbonate concentration.