molar mass

Q: compound

A: The first step is to calculate the molar mass of KNO3. It can be calculated as follows: Molar mass=…

Q: molar mass

A:

Q: A compound with the empirical formula of CH2  was found to have a molar mass of approximately 84g.…

A: Given, A compound with the empirical formula of CH2  Molar mass of CH2 = 12+2= 14 gram/mol Having…

Q: What are the major sources of error in determination of the molar mass?

A: Major sources of errors in determination  of molar mass is as follows: 1) Errors in measurements due…

Q: What is the mass to mass stoichiometry calculation of Boric Acid ?

A: The explanation is given below-

Q: Determining Molar Mass I The molar mass is mass of one mole of the compound. To determine the molar…

A:

Q: How many moles of KI are in 1.36×1024 formula units?

A:

Q: How many conversions are needed to go from mass (g) of the given to Mole (Y) of the find ?

A: We have been asked to find the no. Of steps needed to go from mass to mole of a compound.

Q: If an oxide of chromium is 48% oxygen by mass, what is its empirical formula?

A: Given Percentage of oxygen = 48 %  Let Total percentage  = 100%  Then % of chromium = ( 100 -  48 )…

Q: How many moles of KI are in 1.22×10241.22×1024 formula units?

A:

Q: The empirical formula of a compound is CH. If themolar mass of this compound is about 78 g, what is…

A: Empirical formula is the simplest ratio of the elements in a compound whereas molecular formula is…

Q: when 47.8g of KClO3 is completely decomposed what is the theoretical yeild in grams of O2?

A: Given,Mass of KClO3 = 47.8 g Moles of KClO3 can be calculated as:

Q: Which of the following is NOT a true statement about molar The molar mass is the number of grams of…

A: Molar mass is defined as  mass of one mole of substance

Q: What is the molar mass of the substance with the formula FeC2O4?

A: Molar mass can be calculated as follows

Q: 2) How many formula units are in 5.00 moles of CaSO,?

A: Solution:       Formula mass involves an addition of the masses of atoms present in the empirical…

Q: Complete the following stoichiometric relationships. 1 mol NH3 contains   ? mol N and    ? mol H.

A: Given,  No of mole of NH3  =1  mole

Q: A compound is found to contain 31.42% sulfur, 31.35% oxygen, and 37.23% fluorine by mass. What is…

A: Divide the percent composition by the molar mass of the elements. Percent composition of sulfur =…

Q: Incorrect Is the final answer in percent imultiplied by 100 N Did you and molar mass? Calculate the…

A: Molar mass is sum of atomic weight of all the atom in molecules. We have to calculate percentage of…

Q: SrCl2•6H2O what is the molar mass g/mol?

A:

Q: What is the molar mass of cholesterol if 0.00105 mol hasa mass of 0.406 g?

A:

Q: How many moles of propylene (C3H6) are in 25.0 of the substance?

A: When given mass is devided by its molar  mass then number of mole is obtained.

Q: How many moles of NaOH are in 2.2x10426 formula units of NaOH? )A ה docimal

A: Given :- number of formula units of NaOH = 2.2 × 1026 formula units  To be calculated :- number of…

Q: what is molar mass in g/mole of C5H1102

A: molar mass of carbon, C = 12 g/mole the molar mass of Hydrogen, H = 1 g/mole the molar mass of…

Q: what is the molecular formula of acetone and what is the molar mass?

A: • acetone is the smallest and the simplest compound of ketone.      • acetone is the common name…

Q: How many formula units are in 2.10 mol of FeCl2? Round your coefficient to three sig figs

A: No of formula units can  be determined by multiplying Avagadro number with the number of moles of…

Q: What is the molar mass for each of the following compounds? 1. Li,SO, Cu(CIO,),

A:

Q: Calculate the molar mass of a compound if 0.460 mole of it has a mass of 385.0 g.

A: Given :-  No.of moles of compound = 0.460 mol  Mass of compound = 385.0 g  To calculate :-  Molar…

Q: If 0.565 grams of material contain 0.00548 moles, calculate the molar mass.

A: Given: Number of moles of the given substance = 0.00548 molesThe mass of given substance = 0.565…

Q: what is the molar mass of Iron (lll) nitrate in g/mol?

A: In the given question we have write molar mass of Iron (lll) nitrate in g/mol  there are two types…

Q: molar mass of of K3[Fe(C2O4)3].3H2O

A:

Q: Determine the molar mass of CH₃OH.

A: Each molecule of the compound CH3OH has 1) 1 atom of C 2) 4 atoms of H 3) 1 atom of O

Q: What is the percent by mass of iron (Fe) in FeCO3?

A: Molar Mass of FeCO3 = 115.85 g/mol Weight of 1 Fe atom =55.85 Weight of 1 C atom = 12 Weight of 3 O…

Q: What is the molar mass of Ca (PO,),?

A: Molar mass of any compound is that in which is contained number as Avogadro no.NA of that chemical…

Q: A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole. What is the…

A: Given, Compound With an empirical formula = C4H4O  molar mass of the compound = 136 g/mol Molecular…

Q: Complete the table below for calculating the formula weight of the ionic compound aluminum oxide,…

A: To solve this we use the atomic weights of ions . As we know that the formula weight is the sum of…

Q: Calculate the molar mass for each of the following compound   FeSO4

A:

Q: what is the percent by mass of tungsten in the calcium tungstate compound CaWO3, COMMONLY called…

A: Molar mass of tungsten, W = 183.84 g/molMolar mass of calcium tungstate, CaWO3 = 40 + 183.84 + (3 ×…

Q: Tin (Sn) exists in Earth's crust as SnO,. Calculate the percent composition by mass of Sn and O in…

A: Percentage of elements = (molar mass of element/Total molar mass of elements) *100 for eg: in NH3…

Q: There is a series of nitrogen oxides that have the general formula NxOy.  What is the empirical…

A: Given :-  General formula of nitrogen oxide = NxOy  Percent composition by mass of N = 25.94%  To…

Q: A carbon compound containing carbon and oxygen has approximate molar mass equal to 290. On analysis…

A:

Q: Question attached

A: The mass of one mole of a substance in grams is called as its molar mass. Since one mole of any…

Q: 47. Calculate the molar mass of the following substances. a. H. b. H c. (NH,),Cr,O,

A: Atomic mass of an atom is the total number of protons present in that atom. While the sum of atomic…

Q: What is the mass in grams of 5.0 * 1020 molecules of aspirin 1C9H8O42? (Hint: Using Avogadro’s…

A: Given, Number of molecules = 5.0*1020 Molar mass of C9H8O4 = 9×12 + 1×8 + 16×4 = 180g/mol Avogadro's…

Q: A compound containing only sulfur and phosphorus is 50.9% S by mass; the molar mass is 252 g/mol.…

A:

Q: How is the molar mass of a compound calculated?

A: Solution : The molar mass of a compound is defined as the mass of a given compound divided by the…

Q: calculate the molar mass of diphosphorous pentoxide. assume units are g/mol.

A: Molar mass of a substance is sum of atomic masses of all the individual atoms present in it. The…

Q: What is the number of formula units in a 5.085.08 mol sample of FeCl3FeCl3?

A:

Q: determine the molar mass of li2CO3.

A: The compound given is Li2CO3.

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".