How many atoms of vanadium are in 1.28 grams of vanadium ?

Q: How many atoms are present in 1.5 moles of nickel?

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Q: How many moles of titanium are contained in 71.4 g?

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Q: How many atoms of vanadium are in 1.28 grams of vanadium

A: One mole of any chemical substance has Avogadro’s constant or Avogadro’s number of atoms.…

Q: What is the mass, in grams, of a xenon hexafluoride sample containing 40.0 g of fluorine?

A: A xenon hexafluoride molecule consists of one atom of Xe and 6 atoms of fluorine. The formula of…

Q: The mass of a single molybdenum atom is 1.59×1022 grams. How many molybdenum atoms would there be in…

A: Given: Mass of single molybdenum i.e. Mo atom = 1.59 X 10-22 g. And total mass of Mo sample = 110 mg…

Q: What is the mass of 4.06 moles of sodium atoms?

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Q: How many vanadium atoms are contained in 158 kg of vanadium?

A: 1 mole of substance contains 6.022 x 1023 atom.

Q: Determine the number of moles of cesium in 50.0 g of cesium.

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Q: Calculate the mass of 3.01 x 1025 atoms of terbium whose molar mass is 158.9 g/mol.

A: Given that, Mass of atoms=Calculate the mass of 3.01 x 1025 Molar mass of terbium= 158.9 g/mol.

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

A: Given: Moles of trilaurin = 3.5 mol

Q: How many moles of hydrogen are in 1.7 mole(s) of quinine?

A: The molecular formula given is C20H24N2O2  Hence we can say in 1 mole of Quinine we have  20 C atoms…

Q: How many grams can be found in 6.02*10^14 atoms of zinc?

A: Since the moles of Zn = number of atoms / Avogadro's number  Avogadro's number = 6.022 X 1023 hence…

Q: How many moles would there be in 500 atoms of silver?

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Q: How many fluorine atoms are there in a sample that consists of 3.73 g of silicon tetrafluoride?

A: Use  Mole=mass/molar mass  Total Atoms= atomicity×mole×6×1023

Q: How many oxygen atoms are in 4.00 g of quartz?

A: Quartz is nothing but SiO22 moles of oxygen atoms per mole of SiO2mass of quartz (SiO2) given = 4…

Q: How many oxygen atoms are contained in a 5.525 g sample of calcium phosphate?

A: First of all, we will calculate the no. of moles of calcium phosphate in 5.525 g of sample and then…

Q: What is the mass of 1.98 mol of PH 3?

A: Given,  Mol of PH3 = 1.98 mol  We have to calculate the mass of PH3

Q: If 2.06 mL of seawater contains about 6.91×10-14 moles of gold, how many atoms of gold are in that…

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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: How many atoms are in 2.15 moles of gold?

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Q: 5. In 43 grams of acetate, how many atoms of oxygen are present?

A: Mass of Acetate = 43 gram

Q: How many GRAMS of nitrogen are present in 1.62 moles of nitrogen dioxide

A: A mole is expressed as the quantitative amount of a given substance that would contain 6.023 x 1023…

Q: How many moles of Be are there in a sample of Be that contains 2.02×1024 atoms?

A: Mole Mole is a quantity that represents a collection of 6.022×1023 atoms or molecules. The term…

Q: An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of…

A: For a compound consisting of two components A and B, mass% of A abd B are related to each other as…

Q: If you have a sample of 24.31 g magnesium (Mg), which is equal to one mole, how many atoms of…

A: Given that Amount of magnesium (Mg) = 24.31 gram  Which is equal to 1 mole To answer this problem ,…

Q: How many atoms of copper are there in 0.0075 g of copper?

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Q: titanium

A: Molar atomic mass of Ti = 47.87 gmol-1  Mass of Ti = 1.00kg = 1000 g  Moles of Ti = ( mass / molar…

Q: How many oxygen atoms are in 1.70 g of quartz?

A: The chemical formula of quartz is SiO2. The formula mass of SiO2 is 60.08 g. The number of moles (n)…

Q: Calculate the number of atoms of Fe in a sample with mass = 1899 amu.

A: A sample of Fe of mass  1899 amu.The number of atoms of Fe in a sample is to be calculated.

Q: 20)A 10 g sample of which substance contains the greatest number of hydrogen Atoms? 

A: [A.] 10 g of PH3  Molar mass of PH3 = 33.997 g/mol  Number of moles of PH3 = 10 g / 33.997 g/mol  =…

Q: How many Praseodymium atoms are present in 2.99 moles of Praseodymium ?

A: Given : 2.99 moles of Praseodymium ( Pr) Molecular weight of Pr = 140.91 grams

Q: What mass of Chromium metal would contain 5.00 x 1020 atoms of Cr? 0.0432 g

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Q: How many moles of magnesium are present in 3.01 grams of magnesium?

A: Magnesium is an which is having atomic No. 12. It is an important mineral. It has role in enzyme…

Q: What is the mass in 0.0378 aliminum mols?

A: 1.0206 g

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

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Q: How many atoms of iron are there in 2.16 moles of pyrite

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: What is the mass in grams of 47.50 moles of NaI?

A: Given that,  Moles of NaI = 47.50 mol Molar mass of NaI  = 149.89 g/mol

Q: What is the mass of 1.67 x 1025 molecules of water in a 0.5 L Ozarka bottle?

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Q: What is the mass of 0.900 mol of BCl3?

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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: How many atoms of oxygen are there in 23.0 g of sodium nitrate?

A: Molecular formula of sodium nitrate= NaNO3  One molecule of sodium nitrate contains sodium atom = 1…

Q: How many ATOMS of sulfur are present in 2.10 moles of sulfur tetrafluoride ?

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Q: How many atoms are present in 44.96 g of scandium? atoms

A: Given mass of scandium is 44.96 g Molar mass of scandium(Sc)=44.96 g/mol

Q: How many grams are in 4.29 x 1023 atoms of platinum?

A: To convert atoms of an element  to grams, divide the number of atoms with Avogadro's number ( 6.022…

Q: How many calcium atoms are in 62.8 gg of calcium?

A: Given mass of Calcium =62.8 gram  Number of calcium atom =?

Q: How many oxygen atoms are in 2.40 g of quartz?

A: quartz :  molecular formula = SiO2 molecular mass = 28 + (2 x 16) g/mol                            =…

Q: What is the mass of 0.015 moles of FeO?

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Q: Phosphorus is obtained primarily from ores containing calcium phosphate. If a particular ore…

A: Given information: The mass percent composition of calcium phosphate is 57.8% The amount of…

Q: How many gold (Au) atoms are there in a 5.0 g sample of that is 50% Au by mass?

A: Answer: 7.6421 × 1021 number of gold (Au) atoms are there in a 5.0 g sample of that is 50% Au by…