How many atoms of N

Q: The empirical formula of formaldehyde is the sameas its molecular formula. How many grams are…

A: Given, 2.000 mol of formaldehyde

Q: How many oxygen atoms are in 26.3 g of dinitrogen pentoxide?

A: Given :- amount of dinitrogen pentoxide = 26.3 g  To be calculated :- total number of oxygen atoms

Q: [References) Fungal laccase, a blue protein found in wood-rotting fungi, is 0.395% Cu by mass. If a…

A:

Q: What is the difference between an empirical formula and a molecular formula?

A: The empirical and the molecular formulas are both a type of chemical formulas. An empirical formula…

Q: How many atoms of N are in each of the following quantities? 44.0 g N   2.3 moles N2O4   2.8…

A: 44 g of N = 44/14 = 3.14 moles of N = 1.89 × 1024 no of N atoms. 2.3 moles of N2O4 = 2.3×2 = 4.6…

Q: How many atoms are present in 58.93 g of cobalt? atoms

A: 1.  No.of moles = given mass / molecular mass  Molecular mass of Co = 58.93 g/mol   2. 1 mol = 6.022…

Q: Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass of…

A: Empirical formula is the chemical formula  which represents the simple ratio of atoms of constituent…

Q: How many atoms are in 185 g of calcium? atoms 185 g

A: Calculate number of atoms in 185 g Calcium ?

Q: How many atoms are in 145 g of calcium?

A: Given: Mass of Calcium = 145 g To Calculate: Number of atoms in 145g of Ca

Q: How many total atoms are in 0.620 g of P,O,? total atoms:

A:

Q: What does the word empirical in empirical formula mean?

A: The formation of the simplest formula unit is called an empirical formula. It is obtained to make…

Q: A sample of the compound shown below contains 5.22 g of nitrogen. How many grams of oxygen does it…

A:

Q: What is the mass, in grams, of the following quantity of matter? a. 0.85 mole of copper atoms…

A: Given :- number of moles of copper atoms = 0.85 mol  To calculate :-  mass of copper (in grams)

Q: How many grams of Cl are in 595 g CaCl, ? mass: g

A: Molecular weight of Ca = 40 and Cl = 35 Mass of 1mol CaCl2 is = ( 40+70) = 110 In 110 g CaCl2 ,…

Q: How many atoms are in 117 g117 g of calcium?

A: Given, 117 g of calcium

Q: Calculate the mass, in grams, of 372 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: Since moles of Fe = number of atoms of Fe / Avogadro's number  Avogadro's number = 6.022 X 1023…

Q: How many moles of nitrogen atoms are combined with  6.76 mol of oxygen atoms in dinitrogen…

A: Given is , Moles of O2= 6.76 mol.

Q: How many molecules are in 502.1 g of NaCl?

A:

Q: If a 25 g sample is composed of 9 g C and 16 g O, what is its empirical formula?

A: Given: mass of C = 9 g mass of O = 16 g molar mass of C = 12.0 g/mol molar mass of O = 16.0 g/mol

Q: What is the mass in grams of 0.280 μmol potassium chlorate

A: 1 mole of the substance= 6.022 x 1022 atoms. Formula of potassium chlorate is KClO3. Molar mass of…

Q: A new computer chip contains 4.71×1022 Si atoms. Determine the mass (in grams) of the silicon…

A: 1 mole of any substance contains avagadro number of atoms i.e.6.022×1023 atoms.  6.022×1023 atoms of…

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

A:

Q: How many atoms are in 46 g of bromine?

A: Given : Mass of bromine = 46 g Molar mass of bromine i.e Br2 = Atomic mass of Br X 2 = 79.9 X 2 =…

Q: How many atoms are present in 2 moles of Fe ?

A:

Q: Calculate the mass in grams of a single oxygen molecule, O2.

A:

Q: A molecular compound has the following empirical formula:  CH2O.  The molar mass of the empirical…

A:

Q: How many atoms are in 133 g of calcium?

A: Given :- mass of Ca = 133 g  To calculate :- number of atoms of Ca

Q: What is the amount, in moles, of each of the following substances?

A: Moles of the substance can be calculated by using the formula given below as; Moles = Given…

Q: A 30.6 g sample of the compound X,O3 contains 14.4 g of oxygen atoms. What is the molar mass of…

A: According to the question, mass of O-atoms = 14.4 gAs per the mole concept:

Q: how many atoms of Ta are in 74.0 g Ta

A: Given a atoms of Tantalum (Ta) . Given quantity substance of gm. = 74.0 g We have calculate of…

Q: How many atoms of BaSO4 are in 41.3 g of BaSO4

A: The number of atoms of a compound = moles * Avogadro number where Avogadro number = 6.02214076×10²³…

Q: How many total atoms are in 0.280 g of P,O,? total atoms:

A: We have to calculate the number of atoms.

Q: Convert between mass and moles of an element. What amount of oxygen, in moles, does 49.8 g 0…

A: Given that, mass of O=49.8 g  molar mass of O= 16 g mol-1 moles of O=?

Q: How many total atoms are in 0.760 g of P, O,?

A: Mass of P2O5 = 0.760 g Molar Mass of P2O5 = 141.94 g mol-1

Q: Calculate the mass, in grams, of 392 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g) .

A: 392 atoms of Iron Calculate the mass of Iron .Molar mass of Iron is 55.85 gmol

Q: how many atoms of Fe are in 26.9 g Fe?

A: Given, the mass of iron Fe =26.9 gramwe are asked to calculate the number of atoms of iron Fe in the…

Q: The atomic mass of Cl is 35.45 amu, and the atomic mass ofAl is 26.98 amu. What are the masses in…

A: Given, atomic mass of Cl is 35.45 amu  atomic mass ofAl is 26.98 amu

Q: g/mol

A: Dear student I have given answer to your question in the image format.

Q: How many atoms are in 1.45 g of Ag

A: Mass= 1.45g Molar mass= 108 Mole=mass÷molar mass Mole=1.45÷108=0.013 Atoms = mole×6×1023…

Q: What is the mass in grams of Na* (22.99 g/mol) in 25.0 g of NazSO4 (142.0 g/mol)?

A: Sodium sulphate is an ionic compound, dissociate into two sodium ions and one sulphate ion as -…

Q: What is the mass of 3.00 · 10º particles of water? Water has a molar mass of 18.0 g/mol.

A: We have to find the mass of 3.00 X 1023 particles of water. Molar mass of Water = 18.0 g/mol

Q: How many moles are in 3 g of NaCl?

A: Given, 1.  Given mass of NaCl = 3 g Molar mass of NaCl = Molar mass of Na + Molar mass of Cl…

Q: What does the word “empirical” in empirical formula mean? If we know the empirical formula of a…

A: In chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of…

Q: How many moles of Al(CN), are in 187 g of the compound? 187 g Al(CN); mol

A: Given mass of Al(CN)3 : 187 g

Q: moles

A:

Q: How many grams of carbon are in 368.3 g of carbon tetrachloride? mass:

A: Mass of carbon tetrachloride = 368.3 g  Mass of carbon = ?

Q: How many moles of chloride ions are in 0.2560 g of aluminum chloride?

A: Given  Mass of AlCl3  = 0.2560 gram  Number of mole of Chloride ions = ?

Q: How many atoms are in 127 g of calcium?

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: How many grams of sugar C12H22011 that consists of 1.25 x 1024 atoms of carbons? Molar mass of…

A: Number of atom of carbon = 1.25 × 1024 atoms Number of atoms of carbon = number of moles × Avogadro…