# how to calculate equivalent weight of hcl per ### How to calculate alkalinity as CaCO3

However whenever extensive calculations must be performed the use of equivalents per million greatly simplifies the mathematics because all constituents are on a chemical equivalent weight basis The remainder of this section provides a discussion of parts per million and equivalents per million for those who desire a working knowledge of these methods of expression for ### Equivalent (chemistry)

An equivalent (symbol: officially equiv unofficially but often Eq) is the amount of a substance that reacts with (or is equivalent to) an arbitrary amount of another substance in a given chemical reaction 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 ### Gram

Gram-equivalent weight Def Gram-equivalent weight The mass of a substance in grams that combines with or is chemically equivalent to one gram-atomic weight (1 008 grams) of hydrogen: the atomic or molecular weight divided by the valence Syn Equivalent weight gram-equivalent Gram-equivalent weights for various cases: 1 Complex ion ### What is the mass of HCl in a 500 mL sample of 6 0 M

109 g of HCl Molarity is represented by the following equation: In our case we already have the molarity and the volume of solution However the volume does not have the proper units since it is given in terms of milliliters instead of liters We can convert 500 mL into liters by using the conversion factor 1000mL = 1L When 500 mL is divided by 1000 mL/L we obtain a volume of ### Calculate the equivalent weight of na2co3 when it is

Calculate the volume mass and number of molecules of hydrogen liberated when 650 grams of zinc reacts with sulphuric acid at STP Is 16 g of oxygen contain 6 023*10^23 particles ?? What is the other name for Methanoic Acid? 64g of oxygen contsins _____ moles of oxygen atoms Write the relation involving distance between nearest neighbours in case of fcc and bcc ### Percent (%) Solutions Calculator

As noted above weight refers to mass (i e measured on a balance) When examining the equation for each of the percent solutions above it is very important to note that in all cases the denominator refers to the solution mass or volume and not just the solvent mass or volume Thus solution mass is the combined mass of solute and solvent and solution volume is the ### how to calculate equivalent weight of hcl 5

How to Calculate Equivalent Weight | Sciencing Apr 30 2018 How to Calculate Equivalent Weight Print Related How to Calculate the Normality of HCL Updated April 30 2018 By Jack Ori In science the equivalent weight of a solution is the molecular weight of the solute or dissolved substance in grams divided by the valence of the solute ### Normal Solution Concentration Calculator

As stated above the equivalent weight (EW expressed in grams per equivalent or g/eq) is related to the chemical nature of the acid or base under consideration It is calculated by dividing the molecular weight (MW) of an acid or base by the number of equivalents per mole for that acid or base (Equation 2) ### 4: Determining the Equivalent Mass

Calculate the molarity of your (ce{NaOH}) solution using the data from each trial If at least 2 of these trials agree with each other to within 1% you may proceed If not then perform additional titrations until at least 2 molarities agree within 1% Calculate the ### Equivalent mass of acid − Estimated mass Calculation

Equivalent Mass is the amount of substance that combines with or displaces 8 0 g of oxygen (or 1 008 g of hydrogen) usually expressed in grams for acid/base reactions one equivalent donates or receives a mole of protons and the equivalent weight is the ratio of the molecular weight to the number of protons involved in the reaction 5-4-2010A student analyzed an antacid tablet from a bottle of 150 tablets purchased at a discount store for \$2 44 The mass of the tablet was 1 462g After adding 25 00mL of 7500M HCl solution to the tablet the student back-titrated the excess HCl with 4 56mL of 1 023M NaOH solution 1 Calculate the number of moles of HCl neutralized by the antacid tablet? ### Calculating equivalent mass

This experiment is quite interesting and can be used to demonstrate how to calculate the equivalent mass of a substance But it must be performed with extreme caution: before performing any experiment always read the necessary scientific literature and techniques of conducting experiments ### Mole and Equivalent Weight: Titration Calculations

Equivalent Weight We define the equivalent weight of a substance (element or compound) as: "The number of parts by weight of it that will combine with or displace directly or indirectly 1 008 parts by weight of hydrogen 8 parts by weight of oxygen 35 5 parts by weight chlorine or the equivalent parts by weight of another element" ### How to calculate alkalinity as CaCO3

However whenever extensive calculations must be performed the use of equivalents per million greatly simplifies the mathematics because all constituents are on a chemical equivalent weight basis The remainder of this section provides a discussion of parts per million and equivalents per million for those who desire a working knowledge of these methods of expression for ### Equivalent weight

Equivalent weight in chemistry the quantity of a substance that exactly reacts with or is equal to the combining value of an arbitrarily fixed quantity of another substance in a particular reaction Substances react with each other in stoichiometric or chemically equivalent proportions and a common standard has been adopted ### how to calculate equivalent weight of compounds very

2-9-2009So the rule is to divide the molecular weight of an acid by the number of replaceable H atoms divide the molecular weight of a base by the number of OH groups and divide the molecular weight of a salt by the number of H's or OH's that reacted to form it The equivalent weight of HCl is 36 5/1 = 36 5 The equivalent weight of H2SO4 is 98/2 = 49 ### 4: Determining the Equivalent Mass

Calculate the molarity of your (ce{NaOH}) solution using the data from each trial If at least 2 of these trials agree with each other to within 1% you may proceed If not then perform additional titrations until at least 2 molarities agree within 1% Calculate the ### Calculating Equivalent Weight of Epoxy Mixtures

Calculating Equivalent Weight of Epoxy Mixtures Most formulated products include mixtures of epoxy resins diluents (reactive and unreactive) fillers additives It is essential to determine the Epoxy Equivalent Weight (E E W ) of the mixture to determine proper stoichiometric ratios with the curing agent

## News

• Shanghai Ruizheng Technology co., Ltd was founded in 2012, is located in the most important economic center and the global China important trade port of Shanghai. It is a large global chemical manufac