How many moles are there in 45.0 grams of sulfuric acid, H2SO4?

Q: How many atoms of sulfur are in 279 g of Na₂S₂O₃ ?

A: Given , Mass = 279 g Molar mass of Na₂S₂O₃= 158.11 g/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: 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 of theobromine are there in 5.72 x 1026 molecules of theobromine?

A: 1 mole of substance has Avogadro's number that is 6.022x1023 molecules or atoms NA = 6.022*1023…

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

A: Number of moles = mass/molar mass

Q: 7. How many molecules are there in 24.0 g of ethylene glycol, HO(CH)OH?

A: The number of moles is defined as the ratio of the mass of a substance to its molar mass. Number of…

Q: What is the molar mass of lead (IV) nitrate, Pb(NO3)4?

A:

Q: How many MOLES of oxygen are present in 2.83×1022 molecules of dinitrogen monoxide ?

A: Given,  2.83×1022 molecules of dinitrogen monoxide.

Q: How many grams of (O,) are there in 2.5 moles of Ca(NO,)1

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

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 chlorine atoms are there in a sample that consists of 1.89e+22 molecules of iodine…

A: There are 6.022×1023 molecules in one mole of iodine trichloride ICl3.

Q: How many atoms in total are there in one molecule of Mg(NO3)2?

A: In a molecular formula, symbols of all the constituting atoms are shown along with their numbers in…

Q: How many molecules are there in 122 grams of NO2?

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

Q: How many moles of carbon atoms are there in 4.00 mol of C8H18?

A: No. of moles of C8H18 = 4.00 mol (Given) 1 mol of C8H18 contains 8 mol of carbon atoms.

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: How many atoms of Cl are there in 17.34 μg of CaCl2?

A:

Q: How many grams are in 7.89 x 10 24 atoms of H2SO4?

A:

Q: How many moles of H2SO4 do you have if you there are 1.64 x 1012 molecules of H2SO4?

A:

Q: 3. How many molecules are there in 24 moles of FeF3?

A: Given values are,  Moles of FeF3 = 24 mol

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: 2. What is the molar mass of lead (IV) nitrate, Pb(NO3)4?

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first…

Q: How many molecules of ammonium nitrate, NH4NO3,  are there in 3.96 moles of ammonium nitrate?

A: Given : Moles of NH4NO3 = 3.96 mol

Q: 2. How many moles of carbon dioxide are there in 443.5 grams?

A:

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

A:

Q: How many molecules are there in 1,975.0 g of table sugar, sucrose, C12H22011?

A: Given,  1975 g of table sugar, C12H22O11

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: 1) How many moles of cobalt (Co) atoms are there in 6.00 X 10 (6 billion) Co atoms? 2) How

A: We know, 1 mols = 6.022x1023 atoms

Q: 5. How many formula units are there in 90.0 g of Mg(OH)2?

A: No of formula unit can be calculated by dividing the given weight and weight of one formula unit.

Q: How many moles is 83.7 g calcium carbonate, CaCO3 ?

A: Given Mass of Calcium carbonate is 83.7g We have to determine moles in 83.7g of Calcium carbonate.…

Q: How many moles are in 2.3 x 1023 molecules of uranium (IV) fluoride?

A: Molecular  formula of Uranium(IV) fluoride is UF4. Now, according to Avogadro's theory   1 mol…

Q: How many moles are in 2.45 x 10^23 molecules of Na2S?

A:

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: 3. How many moles of atoms are there in 180 g of Bromine?

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

Q: How many atoms of hydrogen are in 230  g of hydrogen peroxide ( H2O2)?

A:

Q: How many oxygen atoms are in 28 molecules of dinitrogen tetroxide, N₂O₄?

A: The answer to the following question can be calculated as -

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 chlorine atoms are there in 8.4 mol of PCl5?

A:

Q: If you weigh out 0.133 g of CuSO4 x 5H2O, how many moles of Cu2+ is that?

A:

Q: How many moles of oxygen atoms are there in 3.95x1024 molecules of dinitrogen tetroxide (N2O4)?

A: In the dinitrogen tetroxide molecule, the stoichiometric ratio of nitrogen to oxygen is 2:4

Q: How many atoms of iron are there in 2.01 moles of wolframite, FeWO4?

A: Given,Moles of FeWO4 = 2.01 mol1 mole of FeWO4 contains 1 mole of iron (Fe). Therefore, 2.01 moles…

Q: How many chlorine atoms are in 33 molecules of phosphorus pentachloride, PCl₅?

A: Number of chlorine atoms present in 33 molecules of PCl5

Q: How many moles of molecules are there in (7.70x10^2) grams of H2O?

A:

Q: How many grams of sulfur is there in 25,9000 centigrams of lead (IV) sulfate ?

A: Given;

Q: How many molecules are there in 87.4 g + grams of ammonia, NH3?

A: 1 mole = 6.022×1023 [Avogadros number ]  The mass of one mole of molecules of a substance is called…

Q: How many grams of calcium nitrate are present in 55.2 moles of Ca(NO3)2?

A:

Q: 4. How many molecules are in 2.5 mole H,O?

A: Any  1 mol of substance  always contains avogadro number of molecules.

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

A:

Q: How many molecules are there in 7.28 moles of carbon tetrachloride, CCI4?

A: Given,  7.28 mol CCl4

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.