Determine the number of atoms in 30.0 g of Zn.

Q: Determine the number of oxygen atoms present in25.0 g of carbon dioxide.

A: From given data  Mass of carbon dioxide (CO2) = 25 g  Also,  Molar mass of carbon dioxide = 44…

Q: what is the total number of atoms in 690.7 g of Pb

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

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: determine the number of moles in 4.21x10*23 molecules of CaCl2

A: Given: The number of molecules of CaCl2 is 4.21x×1023.

Q: How many atoms are present in 327 g of magnesium cyanide?

A: A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms,molecules ,ions or others.…

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: Determine the number of atoms in 30.0 g of Ne.

A: One mole of any species contains avagadro number of atoms, molecules and ions.

Q: Calculate the mass (in grams) found in 0.805 mol sulfur.

A: Since mass = moles X molar mass Since the formula for sulphur is not given  So assuming its natural…

Q: Determine the number of atoms of O 10.0 of CO2.

A: Since each molecule of CO2 has 1 atom of C and 2 atoms of O  Hence each molecule has total number of…

Q: Determine the number of atoms of O in 10.0g ofCO2.

A:

Q: Determine the number of molecules in 42.5 grams of SO2.

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

Q: Determine the number of atoms in 30.0 g of S.

A: The given mass of S is 30.0 g The molar mass of S is 32 g The conversion of mass to moles can be…

Q: Calculate the number of moles of NO2 in 1.18 g of NO2.

A: The moles of a substance in a given mass of compound is determined as, The molar mass of NO2 is…

Q: Determine the number of molecules present in 0.220 g of NH3

A: In this question, we will determine the number of molecules of NH3 How we can determine the number…

Q: Calculate the number of atoms in 66.0g of Cu.

A:

Q: Determine the number of molecules in 23.6 g of CH4

A: Mole ia a unit of measurement. Avogadro's number is 6.022 × 1023 molecules.  1 mole = 6.022 × 1023…

Q: Calculate the number of moles of He atoms present 5.85 g of He?

A:

Q: Determine the number of atoms in 3.50 g of gold.

A: Given data- Number of atoms in 3.5 Gold .Molar mass of Au=196g/mol

Q: Calculate the number of carbon atoms in 15.0 g of carbon.

A: The given data contains, given mass = 15.0 g. molar mass of carbon = 12 g/mol.

Q: Determine the number of molecules present in 0.560 g of CH4.

A: Given data contains, Mass of methane=0.560 g. Molar mass of methane=16.04 g/mol

Q: o determine the number of moles of H2

A: Number of moles = mass/molar mass

Q: Calculate the number of atoms in 0.534g of potassium (K)

A: Mass of potassium = 0.534 g

Q: Calculate the mole of 0.912 g of copper

A: We have to find the mole of 0.912 g of copper.

Q: Convert 1.5 x 1023 molecules SO2 to moles.

A:

Q: Calculate the number of moles in 41.2 g of zinc

A: Given: The given mass of Zn, (m) = 41.2 g. The molar mass of Zn, (M) = 65.409 g.

Q: Determine the number of moles in 234 g of F,

A: Given  Mass of F2                 = 234 gram  Number of Moles   = ? Molar mass of F     = 19 gm/mole…

Q: The number of atoms in 25.7gAl?

A: The number of atoms in 25.7gAl are

Q: Calculate how many molecules there are in 16.4 g HF.

A:

Q: Determine the number of molecules in 42.8 grams of NO₂.

A: Given 42.8 g of NO2

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 atoms of Fe are in 26.9 g Fe?

A: Given, the mass of iron Fe =26.9 gramwe are asked to calculate the number of atoms of iron Fe in the…

Q: The number of molecules in 76g of fluorine

A:

Q: Calculate the mass of .354 moles of platinum metal

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

Q: Calculate the number of moles of He atoms present in 6.33 g of He.

A: Weight of He = 6.33 gm

Q: determine the number of atoms of 23.64g of Ce

A: Given, mass of Ce = 23.64 g Molar mass of Ce = 140 g.mol-1

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: . Calculate the mass of manganese(II) carbonate

A:

Q: Calculate the number of moles in 63.7 g of sulfur (S).

A: Given, Mass of Sulfur (S) = 63.7 g Number of moles of Sulfur (S) = ? Note: Atomic mass of Sulfur (S)…

Q: Calculate the number of moles and number of molecules in 25.0 g of nitrogen gas

A: Given Mass of nitrogen gas ( N2 ) = 25.0 g

Q: calculate the number of grams of nitrogen dioxide in 0.123 moles in nitrogen dioxide

A: Given: Moles of nitrogen dioxide i.e NO2 = 0.123 mol.

Q: Calculate the percent by mass of hydrogen in Chloric acid, HClO3.

A:

Q: Determine the number of molecules present in 0.13 g of CH4.

A: Given : Mass of CH4 = 0.13 g Molar mass of CH4 = Atomic mass of C + Atomic mass of H X 4 = 12 + 1 X…

Q: Calculate the number of nitrogen atoms in 240. g of ammonium nitrate.

A: The molecular formula of ammonium nitrate is: To calculate the number of moles of ammonium nitrate…

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

A:

Q: number of moles

A:

Q: Calculate the number of atoms in 15.0g of aluminum metal

A: Number of atoms in per mole = 6.022 × 1023 atoms  Molar mass of Al metal = 26.98 g/mole

Q: how many moles are in 1.79x10^25 molecules MgCl2?

A: One mole of any molecule contains Avogadro number of molecules. Avogadro's number is 6.022×1023

Q: determine the molar mass of li2CO3.

A: The compound given is Li2CO3.

Q: Determine the number of molecules present in 0.89 g of CH4.

A:

Q: Determine the number of molecules (particles) in 2.50 moles of methanol: CH3OH?

A: