1. Calculate the number of atoms of argon in 0.500 moles Ar?

Q: What is the number of moles of hydrogen gas in the sample

A: The number of moles of hydrogen gas can be calculated by the ideal gas equation which is given by…

Q: Determine the number of moles of oxygen ATOMS in 2 moles of Iron(II) Chlorate

A: In order to express the substance's amount, the "mole concept" is mainly used. To estimate moles of…

Q: What does the mole concept provide?

A: Mole concept gives the idea of calculation of moles. Mole is a commonly used unit for measuring…

Q: Calculate the TOTAL number of iron and oxygen atoms in 2.0 mole of iron(III)oxide.

A: Given: Formula of iron(III)oxide: Fe2O3 Moles of Fe2O3 = 2.0 mol 1 mole of any molecule contain…

Q: How many grams of water (18.02 g/mol) would contain 6.54x10^24 hydrogen atoms?

A: Given :Molar mass of water = 18.02 g/molNumber of H-atoms = 6.54 x 1024We need to calculate the…

Q: 16. I a) How many atoms of hydrogen are present in 2.69 moles of water? b) How many moles of oxygen…

A: a) The relation between number of atoms of any substance and number of moles of a substance is…

Q: Determine the percentage by mass of an element in "salt"

A: Chemical Formula of Table Salt = NaCl Molar Mass of NaCl = 58.44 g/mol Mass of Element Na = 22.99…

Q: Calculate the number of moles in sample. 25.2 kg C2H2

A: Mass of C2H2 in sample  25.2 kg Then molar mass of C2H2 is calculated Then by using mass and molar…

Q: How many molecules of trilaurin are present in 3.5 moles of trilaurin?

A: Given: Moles of trilaurin = 3.5 mol

Q: What are the steps that we should take to find the number of atoms of Ag given 1.15g of silver?

A: Find the number of atoms of Ag given 1.15 g of silver ?

Q: calculate the number of atoms of F in 32.5g of flourine gas, F2

A: Since moles of F2 = mass of F2 / molar mass of F2  molar mass of F2  = 38 g/mol Hence moles of F2  =…

Q: How number of F atoms in 2.62 moles of F2?

A:

Q: How is the Mole concept calculated?

A: Mole concepts can be calculated as follows

Q: 6. Give the empirical formula for the following compounds: b)_

A: *** As per guidelines I'm solving first question only. Please upload again other questions and write…

Q: Calculate (a) the number of atoms in 1.05 × 10−6 mole of helium and (b) the number of moles of…

A: a.

Q: Calculate the number of moles of helium that contains 2.79×1021 atoms.

A: Given,Number of helium atoms = 2.79 × 1021

Q: How to convert from mass percent to mass of an element ?

A: We can calculate mass of element if we have have information about mass percent and total mass.

Q: Calculate the percentage (%) of elements in Li;PO4.

A:

Q: If 8g of element Q contains 1.204 X 1023 mol-, calculate the relative atomic mass of element Q.…

A:

Q: Calculate the number of atoms in 4.82 moles of magnesium

A: Since each molecule of magnesium has only 1 atom of magnesium  => number of molecules of Mg =…

Q: A given sample of xenon fluoride contains molecules of a single type XeFn, where n is some whole…

A:

Q: How many atoms would be in 0.75 moles of aluminum?

A: The question is based on  mole concept. it involves calculation of number of atoms based on number…

Q: how many moles are in 8.5 x 1022 atoms of Argon

A: Welcome to bartleby ! We have to calculate number of moles in 8.5 x 1022 atoms of Argon

Q: 7. How many moles are in 50 grams of Platinum?

A: Ans:7  The number of moles of compound present in a given amount can be calculated by dividing the…

Q: Use the average atomic mass to calculate the number of moles of the element present in 8.15g of…

A: Given , Mass of Neon= 8.15 g Average atomic mass of Neon= 20.18 g/mol

Q: 2) How is the mole similar to a dozen?

A: (2) Answer- A mole is a unit of counting particles such as atoms, molecules, ions etc. which…

Q: calculate the number of atoms in 4.82 miles of magnesium

A: 1 moles of magnesium contains  Avogadro numbers of magnesium atoms       Avogadro numbers  =…

Q: F. Determine the number of moles in 3.82 X 10 molecules of water.

A:

Q: Calculate the number of moles in a sample of chromium containing 5.00 * 1020 atoms and the mass of…

A:

Q: 1. Determine the number of particles in 1.54 mols of KNO3.

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: how many moles of N are in 65 moles Pb(NO3)4?

A:

Q: Calculate the mass of 0.5 mole of Oxygen gas

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

Q: 5) 25 grams of PbSO4 is equivalent to how many moles? a) 0.0824 b) 1.21 c) 1.56 d) 1.98

A: Given data: Grams of PbSO4= 25 g. To find: The number of moles of PbSO4.

Q: How many grams of lithium will combine with 27.9 g of sulfur to form the compound Li2S?

A:

Q: How many moles of Mg are there in a sample of Mg that contains 1.36x1024 atoms? moles

A: Given Atoms of Mg = 1.36 x 1024 atoms

Q: What is the mass of 0.38 moles of Phosphorous?

A: Atomic Mass of Phosphorus=30.973762 g Mass of 1 mole = 30.973762 g  Mass of 0.38mole of Phosphorus =…

Q: How many moles of magnesium phosphate are present in 4.77 grams of this compound?

A:

Q: What is the mass percent oxygen in the molecule NO2?

A: We Know that, Molar mass of NO2 = 46.0 g/mol Molar mass of O2 = 32.0 g/mol

Q: Determine the quantity of atoms of vanadium in 1.28 grams of vanadium

A: Given :- mass of Vanadium = 1.28 g  To calculate :- number of atoms of Vanadium

Q: Calculate the number of atoms in 0.0015 mole  of Cu.

A: Given, A mole of copper =  0.0015 moles. Calculate the number of atoms.

Q: Determine the number of sodium atoms in 49.78 g of the element.

A: Given: Mass of sodium i.e. Na = 49.78 g.

Q: A sample of a compund made entirely from copper and oxygen was founf to have a total mass of…

A: Molecular weight of copper is 63.55

Q: Determine the number of sulfur atoms in 2.7 mol of sulfur.

A: Given,  2.7 mol of sulfur

Q: Determine the number of particles in 1.54 mols of KNO3.

A: Note : As per our guidelines we are supposed to answer only one question. please resubmit the other…

Q: 7. How.many moles are in 22 grams of argon?

A: 7. Given that: Ar = 22 g  Molar mass of Ar = 39.95 g/mol

Q: A 21.37 gram sample of an unknow element contains 0.3267 moles what is the identity of the element

A:

Q: How many grams of lithium will combine with 21.3 g of sulfur to form the compound Li2S?

A: Given, mass of S = 21.3 g  Mass of Li2S = ?

Q: A 45.2 mg sample of phosphorus reacts with selenium to form 131.6mg of the selenide. Determine the…

A: Phosphorous have +3 charge while the charge on selenium may be -2 or -4. Therefore, the charge on Se…