How many molecules are in each sample?

Q: compound

A: The first step is to calculate the molar mass of KNO3. It can be calculated as follows: Molar mass=…

Q: How many carbon atoms are in a diamond (pure carbon)with a mass of 38 mg?

A: The mass of diamond is 38 mg The molar mass of carbon is 12.01 g mol-1

Q: How many molecules are in sample? 85.26 g CCl4

A:

Q: How many moles of compound are in the sample?

A: 1 mole of compound is equal to 6.022* 10 raise to power 23 molecules.

Q: How many MOLECULES of dioxygen difluoride are present in 4.66 moles of this compound ?

A: given, moles of dioxygen difluoride = 4.66 moles

Q: convert 5 moles of K to molecules of K

A: 1 mol = 6.02 x 1023 molecules 1 mol = molar mass

Q: How many molecules are contained in 7.35 mol NH3 ?

A: Here, we have to Calculate number of molecules present in 7.35 mol NH3.

Q: How many atoms are contained in 0.98 moles of iron (Fe)?

A:

Q: Percent Composition of EACH compound

A: Molar mass of CaS5 = 40 g Ca + 5 × 32 g S                                  =  200 g   Mass Percent…

Q: How many atoms are in 1.7 mol of carbon?

A: Given : Number of moles of Carbon=1.7 mol Number of atoms =?

Q: How many moles of N2 are present in a sample t

A:

Q: How many molecules are in sample? 22.1 g O2

A: 1 molecular mass of gas contains 1 mole molecules for oxygen. Oxygen has 32 g molecular mass. Number…

Q: How many grams of K2CrOa are found in a sample containing 0.094 moles of this compound?

A: The no. of moles and weight of the compound are related as Moles = weight(in grams) / molecular…

Q: 3. How many moles are represented by 3.01 · 10²24 oxygen atoms? 2 moles 5 moles 250 moles 10 moles

A: One mole has 6.022 x 1023 Therefore 10.0moles will have 10x 6.022 x 1023 =6.022 x 1024 6.022 x 1023…

Q: a. How many molecules are present in n g of Sulphur dioxide?

A: Molecular weight of SO2 = 64 g/mol Molecular weight of any substance contains 6.023*1023 number of…

Q: How many moles of ammonia (NH3) are there in 78.11 g of ammonia? 1 mol NH3 = __________ g (round to…

A: Sample Mass of NH3=78.11gm Molar mass of NH3= 14+(1×3)=17 amu. So, 1 mole of NH3 contains 17 gms. 1…

Q: Determine the number of molecules in 44.5 grams of SO₂. Round to right amount of sig figs.

A: Number of moles = Mass/molar mass Number of molecules = 6.0224 x 1023 x number of moles

Q: How many molecules are in 39.4 moles of NH₃?

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

Q: Calculate the number of moles in each sample. 74.9 g H2CCl2   n(H2CCl2)=??

A: Given, 74.9 g of dichloromethane.

Q: how many molecules are in 2.9 mol of c7h5n3o6

A: Given :- number of moles of C7H5N3O6 = 2.9 mol  To calculate :- number of molecules  1 mol = 6.022 ×…

Q: How many molecules are contained in a pentanal (C5H10O) sample with a mass of 5.27 g?

A: 1 mole of any substance contains Avagadro number (6.023 *1023) of species. therefore, 1 mole of…

Q: How many moles of allicinare present in 5.00 mg of this substance?

A: Allicin is a chemical compound that characteristic smell of garlic. The chemical formula of allicin…

Q: How many molecules are in 60.2 moles of CH₄

A: The number of molecules are in 60.2 moles of CH4 is given below.

Q: How many moles of (NH4)3PO4 are contained in 0.917 g of this compound?

A: Given that: Mass of (NH4)3PO4 = 0.917g Moles of (NH4)3PO4 = ?

Q: How many molecules are in 1 mole of CóH1206?

A:

Q: How many molecules are in sample? 19.3 g C8H10

A: Evergy compound/substance carries a specified relation between its moles and its molecules. This…

Q: 6. If a sample of barium hydroxide has a mass of 5.190 g, determine the number of moles of the…

A: (6) Consider the given information is as follows; Mass of barium hydroixde, Ba(OH)2 = 5.190 g…

Q: A crime scene investigator finds a 3.5 g (C10H14N2) sample of nicotine and sends it to the lab for…

A: Please find the attachment.

Q: how many atoms of c are in 5.8 x 10^-3 mol of c?

A: Number of moles = Particles of sample/Avogadro's number   Avogadro's number = 6.022×1023  Number of…

Q: How many molecules and atoms are in 3 moles of N,H, 24

A: Mole: It is defined as the ratio of moles to the molar mass mole=massmolar mass To calculate the…

Q: 1. How many MOLECULES of carbon tetrabromide are present in 2.66 moles of this compound ? molecules.…

A: We know that, A mole of a substance or a mole of particles contain  6.02×1023 molecules.

Q: how many moles of propylene are in 25.0 g of the substance?

A: Question  is based on mole concept and to calculate number of moles in given amount of substance.…

Q: How many molecules are in a 0.921 mol sample of ethane?

A: Given,  Moles of ethane = 0.921 mol.  The number of molecules in 0.921 mole of ethane is:

Q: 1. How many MOLECULES of phosphorus pentachloride are present in 1.34 moles of this compound ?…

A: The given information is: Chemical formula of phosphorus pentachloride = PCl5. 1. Moles of PCl5 =…

Q: How many NH3 molecules comprise one mole of NH3? What is the mass in grams of one mole of NH3? What…

A: In one moles of NH3 is equal to Avagadro number of Molecules of NH3  That means,  1mol of NH3 =…

Q: 1. How many MOLECULES of sulfur tetrafluoride are present in 1.23 moles of this compound ?…

A: 1. We have to calculate the number of molecules. 2. We have to calculate the number of moles.

Q: how many molecules are in 20.3 grams of carbon tetrachloride?

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

Q: If a sample of barium hydroxide has a mass of 5.190 g, determine the number of moles of the compound…

A: Given,  Mass of Ba(OH)2 = 5.190 g a). Determine the number of moles of sample = ? b). Determine the…

Q: Without doing any calculations, determine the sample will contains the greatest amount of the…

A: On knowing the masses of elements, which element have greater number of moles can be identified…

Q: what is Percent Composition?

A: Mass percent :- The mass of a component in grams present in 100 grams of the mixture is defined as…

Q: b.How many moles of dinitrogen tetrafluoride are present in 3.16x 10^22 molecules of this compound?…

A: Number of moles= 5.45×10-2 moles

Q: How many molecules of Pbs are in a 23.5 g sample

A: The number of molecules for any species in a given sample can be calculated by multiplying…

Q: How many molecules are in 41.3 moles of CH4

A: Given, moles of CH4 = 41.3 moles One mole of any substance contains 6.023 x 1023 Molecules of that…

Q: Determine the number of grams of salicylic acid in 0.018 moles

A: We know molarity mass of salisaylic acid =132g/mole Mole=0.018 Mole= gram/molar mass

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: How many molecules are in 7.2 moles of NH3

A: The number of molecules of ammonia present in 7.2 moles of ammonia is calculated using Avogadro…

Q: How many atoms are in a 17mole sample of Cobalt?

A: Given  Number of mole of Cobalt = 17 mole  Number of atom  = ?

Q: How many molecules are in sample?  6.5 g H2O

A: Since the molar mass of H2O is 18 and one mole of H2O contains Avogadro number of molecules, the…

Q: How many molecules are in 77.7 moles of NH₃?

A: Interpretation-  To determine the number of molecule in 77.7 mole of NH3 .   Concept-  To determine…

Q: e the molar mass of each compound. Show yo

A: