##### Asked by: Bassou Oettlin
science chemistry

# How do you find the molecular weight of h2so4?

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Molar mass of H2SO4 can be calculated byaddingthe respective molar masses of all the elementsconstitutingit. Molar mass of H(x2)+Molar mass ofSulphur(x1)+Molar mass of Oxygen(x4). =>98g/mol.

People also ask, what is the molecular weight of h2so4?

98.079 g/mol

Additionally, how do I calculate molecular weight? Calculate the total mass for each element inthemolecule. Multiply the atomic mass of each element by thenumberof atoms of that element: (Atomic Mass of Element) x (# ofatoms ofthat element). Do this for each element in themolecule. Inour carbon dioxide example, the mass of thesingle carbon atom is12.011 amu.

Similarly one may ask, how do you find the equivalent weight of h2so4?

Equivalent weights may be calculated frommolarmasses if the chemistry of the substance is well known:sulfuricacid has a molar mass of 98.078(5)gmol1, and supplies two molesofhydrogen ions per mole of sulfuric acid, soitsequivalent weight is 98.078(5)gmol1/2eqmol1 = 49.039(3)geq1.

What is the percentage oxygen by weight in h2so4?

Percent composition by element

Element Symbol Mass Percent
Hydrogen H 2.055%
Oxygen O 65.251%
Sulfur S 32.693%

Professional

## What is normality formula?

It is defined as the gram equivalent weight per literofsolution. Here, a more favorable calculationfornormality is considered, where the normality ofasolution is equal to the molarity multiplied by the numberofequivalents. Normality(N) = Molarity(M) x numberofequivalents. Normality Formula Questions: 1.

Professional

## What is molecular mass in chemistry?

Molecular Mass Definition
Molecular mass is a number equal to the sumofthe atomic masses of the atoms in a molecule.Themolecular mass gives the mass of amoleculerelative to that of the 12C atom, whichis taken to havea mass of 12.

Professional

## What is equivalent weight formula?

Equivalent weight (EW) is the molar massofa substance divided by the n number of equivalents in thesubstance.For acids or bases, the n number of equivalents is thenumber ofhydroxide ions in the base (OH-1) , and the number ofhydrogen ionsin the acid (H+1).

Explainer

## What is meant by normality?

Normality is a measure of concentration equaltothe gram equivalent weight per liter of solution. Gramequivalentweight is the measure of the reactive capacity of amolecule. Thesolute's role in the reaction determines thesolution'snormality. Normality is also known as theequivalentconcentration of a solution.

Explainer

## Is molecular weight the same as molar mass?

Molar mass and molecular weight areoftenconfused, but their values are very different. Molarmass isthe mass of one mole of a substance, whilemolecularweight is the mass of one molecule ofasubstance. One mole is the number of particles, such asatoms,molecules, ions or electrons, in asubstance.

Explainer

## How many molecules are in a mole?

Chemists generally use the mole as the unitforthe number of atoms or molecules of a material.Onemole (abbreviated mol) is equalto6.022×1023 molecular entities (Avogadro'snumber),and each element has a different molar mass depending onthe weightof 6.022×1023 of its atoms(1mole).

Pundit

## What does N mean in chemistry concentration?

(1) Normal or normal concentration refers toaconcentration of solutes that is the same intwosamples. (2) Normality is the gram equivalent weight ofasolution in a solution, which is its molarconcentrationdivided by an equivalence factor. Normalconcentration isalso known as normality, N,isotonic.

Pundit

## What is the equivalent weight of HCL?

Examples. 1) The gram-equivalent weight of HClisone mole of HCl (1.008 + 35.453 = 36.461 g). 2)Thegram-equivalent weight of H2SO4isusually ½ mole since both hydrogens are replaceable inmostreactions of sulfuric acid.

Pundit

## What is equivalent weight of NaOH?

The equivalent mass of NaOH is 40 grams. Itisaccording to the formula , Gram molecular weight dividedbythe 'n' factor.

Pundit

## How do you find the equivalent weight of NaCl?

Therefore, the equivalent of NaCl willbeequal to equivalent weight of Na + equivalentweightof Cl or, 23+35.5 grams. So, we can firstcalculate theequivalent weight of each element in thecompound and thenadd them up.

Pundit

## What is the equivalent weight of CaCO3?

Molar mass (CaCO3) = M(Ca) + M(C) + 3xM(O) = 40 + 12 + 3 x 16 = 100 g/mole. Divide the molarmassby the ion charge or oxidation number (for CaCO3)todetermine equivalent (Eq.) weights. Eq.weight(HCO3(-)) = 61 / 1 (charge) = 61 g/Eq.

Teacher

## What is equivalent weight of kmno4?

The molar mass of potassium permanganate is158g/mol. To find the equivalent mass, divide thatmolarmass by the mols of electrons taken in its halfreaction.That would be five. 158/5 =31.6grams/equivalent.

Teacher

## How do you find the equivalent weight of K2Cr2O7?

1. Molecular weight of pottasium dichromate(K2Cr2O7) = 294 g.
2. X factor in acidic medium = 6.
3. Equivalent weight = molecular weight / X factor.
4. = 294 / 6.
5. = = 49 g.

Teacher

## What is the equivalent weight of Na2CO3?

Equivalent Weight = Molar weight oftheCompound ÷ Charge on the Compound. So, GramEquivalentWeight of CaCO3 = 100 ÷ 2 = 50. The numbersofelectronic charge on cation of Na2CO3 is 2.

Reviewer

## What is the equivalent weight of h3po4?

The equivalent mass of H3PO4 for thegivenreaction is 49 g eq. As, the replaceable hydrogen ions in acidis2, by putting the values in above equation, we get:Equivalentmass of H3PO4=frac{98}{2}=49g.eq.

Reviewer

## What is the unit of molecular weight?

The molar mass is an intensive property of thesubstance,that does not depend on the size of the sample. In theInternationalSystem of Units (SI), the base unit ofmolar mass iskg/mol. However, for historical reasons, molarmassesare almost always expressed ing/mol.

Reviewer

## What is the molecular formula?

A molecular formula consists of thechemicalsymbols for the constituent elements followed by numericsubscriptsdescribing the number of atoms of each element present inthemolecule. The empirical formula representsthesimplest whole-integer ratio of atoms in acompound.

Reviewer

## What is the unit of measurement for molecular weight?

“Since the standard unit for expressingthemass of molecules or atoms (atomic mass unit orthedalton) is defined as 1/12 of the mass of a 12C atom,itfollows that the molar mass of a substance,measuredin grams per mole, is exactly equal to its meanmolecular oratomic mass, measured in unified atomicmass units.

Supporter

## What is molecular weight explain with example?

Definition of molecular weight. :theaverage mass of a molecule of a compound comparedto¹/12 the mass of carbon 12 and calculated as the sumofthe atomic weights of the constituent atoms.

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#### EveryThingWhat Staff Editor

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29th January, 2020

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