How many grams of potassium oxide (K2O) are there in 0.914 mol?

Q: How many grams are in 2.3 moles of calcium phosphate, Ca3(PO3)2?

A: Given: The number of moles of Ca3(PO3)2 = 2.3 moles and we know that the molar mass of Ca3(PO3)2 =…

Q: What is the mass in grams of 3.45 mol of Na2SO4?

A: Given, Moles of Na2SO4 = 3.45 mol Mass (in grams) of Na2SO4 = ? Note:  molar mass of Na2SO4 = (2×23…

Q: How many moles are there in 825 of Al(OH)3?

A: We have given   825 g  of  Al(OH)3  Molar mass of Al(OH)3 (M) = 27 + 3(16+1)            M = (27 +…

Q: How many moles are in 187 grams of C,Hg(OH)2?

A: Number of moles = mass/molar mass

Q: How many grams of O are in 825 g of Na, O?

A: Given: Mass of Na2O =825 g  The molar mass of Na2O =61.97894 g/mol Moles=(825 g )/(61.97894…

Q: How many moles of oxygen are in 3.70 moles of NaClO4?

A: NaClO4 has 3 different atoms  1 mole NaClO4 contains 1 mole Na , 1 mole Cl and 4 mole O

Q: What is the mass in grams of 10.0 million H2O molecules?

A: Molar mass of water is 18.01

Q: What is the mass, in grams, of 0.0293 mol of iron(III) phosphate?

A: The name of given compound is Iron (III) Phosphate can also be abbreviated as ferric phosphate.…

Q: How many atoms of nitrogen are there in 0.50 mol of (NH4)2CO3?

A: Given: (NH4)2CO3 1 mole of given compound contains 2 N atoms with it.

Q: How many moles of NH3 are there in 1.93 grams of NH3?

A: No. Of moles = gram weight / molar mass Molar mass of NH3 = 17

Q: What is the mass, in grams, of 0.0425 mol of iron(III) phosphate?

A:

Q: How many grams of F2 are there in 1.84 mol F2?

A: Given, Moles of F2 = 1.84 mol

Q: What is the mass, in grams, of 1.10 mol of iron (III) sulfate?

A: Given, Moles of iron (III) sulfate is 1.10 mol Molar mass of iron (III) sulfate is 399.88 g/mol

Q: How many atoms are in 86.5 g of potassium dihydrogen phosphate (KH2PO4)?

A: Weight of postassium dihydrogen phosphate ( KH2PO4) = 86.5 grams Molecular weight of potassium…

Q: How many grams are there in 2.10 moles of sodium (atomic mass = 23g/mol)?

A: We know that,  Number of moles = mass / molar mass

Q: how many hydrogen atoms are there in 80.0 g of phosphoric acid?

A:

Q: How many moles of nitrogen, N, are in 79.0 g of Nitrous Oxide, N2O?

A: Formula used here : No. Of moles= given mass/molecular mass

Q: How many molecules of ammonia would there be in 22.7 grams of ammonia, NH3?

A: Given: Mass of ammonia = 22.7 g

Q: Calculate the mass, in grams, of  0.607  mol of hydrogen peroxide,  H2O2 . mass of  H2O2:

A:

Q: What is the mass (in g) of 2.71 mol of beryllium?

A: Atomic mass/molar mass of Beryllium = 9 g/mol Number of moles = Given mass/ molar mass Given is…

Q: How many grams is 2.7 moles of BF₃?

A: The mole is the unit of measure for amount of substance. It is defined as exactly 6.02214076×10²³…

Q: If the molar mass of boric acid, H3BO3, is 61.83 g/mol, how many grams would be contained in 1.32…

A: The answer is given as follows

Q: How many moles are there in 68.57 grams of water, H2O?

A: Given,  The mass of water, H2O = 68.57 grams The moles of H2O present in this mass is:

Q: How many grams of O are in 805 g of Li2O?

A: The mass of Li2O is = 805 g The mass of oxygen is =?

Q: what is the percentage composition of oxygen of potassium sulfate,K2S04?

A: Since, Molar mass of K2SO4= 174.259 g mol-1 Molar mass of O = 16 g mol-1 %O = ?

Q: What is the mass, in grams, of 1.223 mol of iron(III)sulfate?

A: Number of moles of a substance is equal to the mass of substance divided by its molar mass. Write…

Q: How many molecules are there in 1.2 moles of Cu (NO3)2?

A:

Q: How many grams are in 9.05 x 1023 atoms of sulfur?

A: Given,  The mass of sulfur present in 9.05 × 1023 atoms of sulfur is:

Q: What is the molar mass of CBr4 (in g/mol)?

A: The molar mass of a substance is the addition of the molar masses of every element. It is…

Q: How many moles are in 33.36 grams of Ec,H5O2?

A: Given :- mass of Ec6H5O2 = 33.36 g               Molar mass of Ec = 31.79 g/mol  To calculate :-…

Q: How many moles of O are there in 12.4 mol Fe(NO3)3?

A: The question is about Oxygen atoms and not the Oxygen molecule There are 9 "O" atoms in the…

Q: How many moles of nitrogen, N, are in 88.0 g of nitrous oxide, N2O?

A: Since each molecule of N2O has 2 atoms of N  Hence moles of N = moles of N2O X 2  Since moles = mass…

Q: What is the mass in grams of 2.59 moles of aluminum oxide?

A: Given,    Number of Moles of Aluminum Oxide = 2.59 moles

Q: How many atoms of O are in 3.00 mol of N2O4?

A: Use formula Total molecule=mole×6×1022 Total Atoms=atomicity×molecule Atomicity=total no of atoms…

Q: How many molecules of H2O are there in 0.75 mol of H2O?

A: Given, 0.75 mol of H2O

Q: How many aluminum atoms are in 25.0 grams of aluminum oxide, Al2O3?

A: The formula of the given compound is Al2O3. One mole of Al2O3 contains two moles of Al atoms.

Q: How many grams of oxygen are in 48 grams of sodium bicarbonate, NaHCO3?

A: 1 mole = 6.022×1023 (Avogadro's number) The mass of 1 mole of atoms is called atomic mass For…

Q: How many grams is a sample of 0.863 moles of zinc nitrate, Zn(NO3)2?

A: To convert from moles to mass, first, calculate the molar mass of Zn(NO3)2 and then use that to find…

Q: How many atoms of oxygen are there in 23.0 g of sodium nitrate?

A: Molecular formula of sodium nitrate= NaNO3  One molecule of sodium nitrate contains sodium atom = 1…

Q: How many moles of oxygen are in 4.42 mol H2O2?

A: A mole is a unit of measurement for the amount of substance. No. of moles of an element = Index of…

Q: Calculate the number of grams in 3.69 mol of uranium hexafluoride, UF6

A: Record the given data, The given number of moles of uranium hexafluoride is 3.69 mol. The molar mass…

Q: What is the mass, in g, of 4.54 mol of cadmium atoms?

A: The mass of the Cadmium atoms can be calculated asMolar mass of cadmium atom is 112.411 g/molMass =…

Q: What is the mass of 0.443 mol of hydrazine, N2H4?

A: To find the mass of the given compound following formula can be used as- n=mM Where n: number of…

Q: How many total atoms are in 0.420 g of P2O5?

A: The ratio of the mass to the molar mass leads to the number of moles of the substance. One mole of…

Q: How many moles of nitrogen are there in a 7.45 mol sample of ammonium phosphate?

A: Given  Number of mole of ammonium phosphate = 7.45 mole  Number of mole of Nitrogen = ?

Q: How do you calculate the mass of Hydrogen in 12.00 g of NH3?

A: Given:Mass of NH3 = 12.00 g.Molar mass of NH3 = 17.031 g/mol.

Q: calculate the mass of sulfur in 2.40 mol of H2SO4

A: Given information:Moles of sulfuric acid (H2SO4) = 2.40 moles

Q: How many total atoms are in 0.550 g of P2O5?

A: Given: Molecular formula of phosphorus pentaoxide is P2O5. Mass of P2O5 =0.550 g Number of atoms in…

Q: How many atoms are there in 0.1 mol Na?

A:

Q: What is the mass in grams of 1.59 moles of aluminum oxide Al,O3 ?

A: Q - What is the mass in grams of 1.59 moles of aluminum oxide Al2O3

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.