How number of F atoms in 2.62 moles of F2?

Q: How many moles of B are there in a sample of B that contains 2.96×1024 atoms? moles

A: 1.Boron is represented as B 2. Avogadro's number = 6.023× 1023

Q: How many moles of oxygen atoms are there in 15. 53 moles of N02?

A: Given -> Moles of NO2 = 15.53 mole

Q: How many moles of boron B, are in 1.79×1024 B atoms

A:

Q: How many grams of S3O5 are in 11.4 moles of S3O5?

A:

Q: How many atoms are in 153 g of calcium

A:

Q: What is the mass in grams of 6.62 mol W

A: Given, moles of W= 6.62 mol Molar mass of W = 184g/mol (from periodic table)  Mass in grams = ?

Q: How many moles of nitrogen atoms are there in 0.500 mole of NH3?

A: We have to calculate the moles of nitrogen atoms.

Q: Calculate the number of moles of He atoms present in 5.55 g of He.

A: Given that, mass of He= 5.55 g molar mass of He= 4 g mol-1 then,

Q: how many Sn atoms are in a 48.7 g sample of Sn?

A:

Q: 22 11. Find the mass in grams of 2.54 x 10 molecules of H,SO,.

A: Number of molecules of H2SO4 = 2.54 × 1022 molecules. Mass of H2SO4 (in grams ) = ?

Q: 2. What is the mass in grams of 6.8x10 molecules of ammonium?

A: We have to predict the mass of ammonia.

Q: What is the mass (in grams) of 0.263 moles of water?

A: Moles of water=0.263molTo find the mass of 0.263 moles of water (H2O), you can use the molar mass of…

Q: How many grams would 71,934,010,495 atoms of a substance weigh if it has a molar mass of 23.7889…

A: Number of atoms = 71,934,010,495 atoms  6.02×1023 atoms = 1 mol 71,934,010,495 atoms =…

Q: What is the mass in grams of 39.30 moles of NaI?

A:

Q: What is the mass of 4.34  1027 hydrogen molecules?

A: Given: Number of hydrogen molecules =

Q: How many atoms of vanadium are in 1.28 grams of vanadium ?

A: 1 mole of vanadium contains Avogadro’s number of atoms. The number of mole of 1.28 g of vanadium…

Q: Calculate the number of moles of He atoms present in 5.55 g of He.

A: Molar mass of He, Mwt = 4 g/mol Given weight, W = 5.55 g

Q: The atomic mass of aluminum is 26.982u. How many alluminum atoms are in a 4.55g sample of aluminum?

A: Mass of aluminium sample=4.55 g The atomic mass of aluminum =26.982 u Moles of aluminium=4.5526.982…

Q: Identify the number of atoms of silver that are in 0.2124 moles of silver

A: Given - - > Number of mol of silver = 0.2124 mol   We known that, 1 mol of atoms = 6.022 x 1023…

Q: Determine the mass, in grams, of 0.290 moles of I (1 mol of I has a mass of 126.90 g).

A:

Q: How many atoms are in 3.72 moles of pure aluminum?

A: Given: moles of Al = 3.72 mol

Q: alculate the number of moles of He atoms present in 4.65 g of H

A: Number of moles = weight / atomic weight    Given ,  weight = 4.65g Atomic  weight of He = 4 g/mol

Q: How many oxygen atoms are in 2.50 moles of C6H12O6?

A:

Q: How many moles of Kr are there in a sample of Kr that contains 2.74×1024 atoms?

A: The relationship between the moles and number of atoms of any element is given by  moles = number of…

Q: What is the mass in grams of 68.3 mol Xe?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: How many atoms are in 11 mol of helium?  how many atoms are in 102.1 of sodium?

A: Given that,    Moles of Helium = 11 moles    one mole of helium contains = 6.023×1023 atoms   Helium…

Q: How many grams of F are there in 4.29 moles of F?

A:

Q: What is the mass of 0.00210 moles of K2CO3?

A: Given data: Number of moles of K2CO3 = 0.0021  Formula used: Moles=Given massMolar mass

Q: How many atoms of fluorine are in 1.0E+0 moles of CF?

A: NOTE : The formula of the compound given looks incorrect. I think the correct formula of the…

Q: 16 How many moles of oxygen atoms are in 7.58 moles of V(SO4)3?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: What is the mass of a sample containing 1.00 mol of atoms, 33% of them N and 67% of them O?

A: The objective of the question is to calculate the mass of a sample containing 1.00 mol of atoms, 33%…

Q: How many moles are in 2.15x1023 atoms of Zinc?

A: Given :- number of atoms of Zn = 2.15 × 1023 atoms  To be calculated :- number of moles of Zn   1…

Q: The number of copper atoms in 2.35 bf of copper wire ?

A: According to the Avogadro's law, 1 mole of each substance contains the Avogadro's number, 6.022×1023…

Q: How many moles of Ni are in 6.53*10^25 Ni atoms?

A: The number of atoms of any element is given by, => Number of atoms = moles X Avogadro's number…

Q: What number of moles represents 3.0 × 1023 atoms of sodium?

A: Given  Number of atom of Sodium = 3.0 × 1023 atom  Number of mole = ?

Q: how many moles of calcium atoms do you have if you have 4.02 x 1021 atoms of calcium?

A: 1 mole of Ca contains 'Na, number of atoms. 1 mole of Ca weighs 40g  Na = 6.02214179×1023 atoms

Q: How many moles of scandium are in 3.55g scandium?

A: We can determine the moles of any substance from the given formula : Moles of Substance = mass of…

Q: How many atoms of nitrogen are in 3.50 moles of N?

A: Given : Moles of N = 3.50 mol.

Q: Calculate the number of moles of He atoms present in 6.17 g of He.

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many Co atoms are there in 4.62 moles of Co? atoms

A: Number of moles of Co = 4.62 mol Number of bromine atoms = 6.00 × 1024 atoms

Q: What mass of hydrogen is in 0.75mg of Vitamin A?  There are 2.57g x 1018 moles.

A: 1 mole of a hydrogen has 6.022×1023 molecules.

Q: the atomic mass of C is 12.011u. How many moles of C are there in 3.50g sample of carbon?

A: Converting Mass to molesAtomic Mass of C = 12.011 Mass of C in a sample = 3.50Calculate the Number…

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: How many atoms are in 2.50 moles of SO2?

A: Concepts and reason The concept used to solve this problem is based on calculation of number of…

Q: how many atoms are present in a 1.48 micromol

A: 1 mole of any substance contains Avogadro number of entities  Avogadro's number = 6.022 x 1023…