How many moles of Nat ions are in 22.99 g of Na2CO3? O A 0.434 mol B. 2 mol

Q: Folic Acid (C19 H19 N7 O6), also known as vitamin B9 is used to treat anemia caused by folic acid…

A: a) The number of moles of Vitamin B9 can be calculated as given below. Therefore, the number of…

Q: How many atoms in 17.8  mol CS2?

A: According to Avogadro's, the total no of molecules/atoms present in one mole of substance is equal…

Q: Calculate the mass in grams of 8.33 mol of CSMNO4. g CsMnO4

A: Number of moles of CsMnO4 = 8.33 mol  Mass of CsMnO4 = ?

Q: Calculate the moles of O atoms in 0.807 g of Ba(NO3)2.      mol O atoms

A: Number of mole = Mass (g)/Molar mass Given that: Mass of Ba(NO3)2 = 0.807 g We have to find: mole of…

Q: 5. A sample of iron Fe weighing 14.2g contains how many moles of iron atoms? 00.254 moles O 0.0739…

A: The number of moles of any substance is the ratio of the given mass of that substance in grams to…

Q: What’s the molar mass of N2

A: Molar mass of N2 is given as follows : Molar mass of N2 = 2 × Mass of N = 2 × 14.0067 = 28.0134…

Q: how many molecules are in 2.50 moles of o2

A: Oxygen exists in the diatomic gas.Moles of 02 given, we have to calculate Number ofmolecules.

Q: How many moles of O atoms are in 3.76 mol of CaCO3, the chief constituent of seashells?? i mol O…

A:

Q: How many grams of H are in 0.75 mol of (C3H5)2S

A:

Q: NaHCO3 is the active ingredient in baking soda. How many grams of oxygen are in 0.42 g of NaHCO3?…

A: Given,  The mass of NaHCO3 = 0.42 g.  Molar  mass of NaHCO3 =  84.01 g/mol…

Q: number of moles of s2- ions in 6.56 mol of Na2S

A: Number of moles of Na2S = 6.56 mol. Number of moles of S2- = ?

Q: How many moles are in 33.1 g of SO3? How many molecules does it contain?

A: Amount of SO3 given = 33.1 g Moles Of SO3  = To be determined No of Molecules of SO3 = To be…

Q: moles

A:

Q: How many moles of S

A: Number of moles = mass/molar mass  Molar mass of S = 32.065 g/mol  Molar mass of SO2 = 64.066 g/mol

Q: How many moles of S are in 23.2 g of (C3H5)2S

A: Number of moles of (C3H5)2S is determined as follows,

Q: How many moles are in 672 grams of K2CO3

A: Given  mass of K2CO3                      = 672 gram  Molar mass of K2CO3         = (2×39 gm/mole )…

Q: How many hydrogen atoms are in 5.0 g of citric acid (CóHgO7)?

A: Please have a look into the solution:

Q: Find the number of moles of oxygen atoms in 0.0481 g of CO2(g). The molar mass of CO2 is 44.01 g/mol

A: number of moles of CO2 = mass of CO2/ mol. mass of CO2 =0.0481/44 =0.00109 moles of CO2  we know in…

Q: How many moles of MgS,O, are in 249 g of the compound? 249 g MgS,O, %3!

A: Solution Magnesium thiosulfate molar mass = 136.42 g.mol-1 Given in the problem mass of the…

Q: how many molecules of N2O4 are in 76.3 g of N2O4? the molar mass of N2O4 is 92.02 g/mol

A: Mass of N2O4 is 76.3 g Molar mass of N2O4 = 92.02 g mol-1 Number of moles of N2O4 = mass of…

Q: An average cup of coffee contains about 125 mg of caffeine, CRH10N4O2. How many moles of caffeine…

A: Moles of the caffiene can be determined by suing the formula given below as: Moles of Caffeine=Given…

Q: Calculate the number of moles of Fe in 43.6 grams of Fe

A: Given weight of Fe = 43.6 grams Molar mass of Fe= 55.845 g/mol

Q: How many molecules are in 21.6 moles of NO₂?

A: The given number of moles is converted to molecules by multiplying the given value with Avogadro’s…

Q: Chalk is mostly made of calcium carbonate, CaCO3. If it took 48.6 g of chalk to write your name on…

A: Option A will be correct.

Q: There are  ______mol of carbon atoms in 5.00 mol of dimethylsulfoxide (C2H6SO)

A: Given CompoundDimethylsulfoxide (C2H6SO)Moles of (C2H6SO) = 5.00 molmol of carbon atom = To be…

Q: 5. How many moles are in 77.56 g of CaCO3?

A: Given mass (m) = 77.56 g  We have CaCO3 as the compound here and need to find the no. of moles.…

Q: Calculate the number of moles of Fe in 43.6 grams of Fe.

A: Given :- mass of Fe = 43.6 g  To be calculated :- number of moles of Fe

Q: Particular thermos can hold 473.2 ML of warm beverage. If the Thermo is filled with hot cocoa, which…

A: Given that,Concentration of the sugar = 0.23 M = 0.23 mol/L Capacity of the solution in thermos =…

Q: The formula of ibuprofen (Advil®) is C13H18O2 (molar mass = 200.29 g/mol). How many moles of…

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

Q: A sample of ethanol (C3H.OH) contains 4.2x102s hydrogen atoms. How many moles (n) of ethanol are in…

A: One mole of any substance contains 6.022×1023 particles.

Q: What amount (moles) of compound is present in 6.20 g of each of the following compounds? a.)…

A: In chemistry, number of moles refers to a unit of amount. It can also be defined as the mass of a…

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: Determine the mass, in grams, of 0.790 moles of Mn (1 mol of Mn has a mass of 54.94 g).

A: The answer to the following question is given as -

Q: Allyl sulfide gives garlic its characteristic odor.Calculate (a) the mass in grams of 2.63 mol of…

A: NOTE : The correct name of the compound should be dially sulfide. The compound given is allyl…

Q: (a) How many moles of CO, contain 3.26x1024 molecules? mol CO2 4.0 (b) What number of moles is…

A:

Q: How many molecules are in 24.8 moles of SO₂?

A:

Q: How many moles are in a sample of Saccharin with a mass of 35.31 grams? Saccharin is an artificial…

A: We know that, number of moles can be expressed as,

Q: How many molecules are present in 4.61×10^2 mol of O2?

A: Given data, Number of mol of O2 = 4.61 × 102 Calculating the molecules present. Therefore, The…

Q: How many moles of N are in 0.191 g of N₂O? moles of N: mol N

A: We know that  Moles = mass ÷ molar mass

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: How many grams are there in 2.93 moles 02? (Molar mass of 02 - 32 g/mol)

A: Molar mass of O2 = 32 g/mol Number of moles  = 2.93 moles

Q: Exactly 1 mol Hg₂ (NO3)2 contains how many moles of Hg, N, and O? moles of Hg: moles of N: moles of…

A:

Q: How many atoms are present in 0.35 mol of Na?

A: Given : no. of moles of Na = 0.35 mol  To calculate :- number of atoms of Na

Q: compound

A: Molar mass of Fe2O3 = 2 • ( molar atomic mass of Fe ) + 3 • ( molar atomic mass of Oxygen atom )…

Q: How many moles are in 5.27 × 1024 particles of Na2SO3? 6.75 x 1026 mol 4.75 mol 8.75 mol 8.75 x 1024…

A: We have to calculate the number of moles.

Q: number of moles

A: Number of moles of atom in any given compound is decided the the total number of moles given and…

Q: 1.) The average cup of coffee contains about 125 mg of caffeine, C8H10N4O2. a.) How many moles of…

A: The given data: The mass of Caffeine = 125 mg. To determine = a.) The number of moles of caffeine…

Q: How many moles are in 48 g of Fe2O3? Use 56 g/mol as the molecular weight of Fe.

A: The moles is defined as the mass of substance devided by the molar mass of substance.This means…

Q: How many moles of S are in two moles of H2SO4? 1 6. 12 O O O

A:

Q: Tonsanh 1. How many moles of nickel(II) bromide, NiBr2, are present in a sample that contains 5.08…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…