Calculate the mass, in grams, of 922 atoms of potassium, K (1 mol of K has a mass of 39.10 g).

Q: What quantity in moles of iron atoms do you have if you have 2.50 × 10²³ atoms of iron. (The mass of…

A: We know that ; 1 mole of substance contain = Avogadro's number of atoms . ( Avogadro's number =…

Q: Calculate the mass, in grams, of 862 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: One mole if any substance have 6.022*10^23 atom/ particles/ion etc thus here knowing the no of moles…

Q: It is estimated that we breathe around 5.0 x 1021 molecules of 0, in a single breath. What mass of…

A: Given: Molecules of O2 in a single breath = 5.0 × 1021. Molar mass of O2 = 32 g/mol

Q: An unknown compound is processed using elemental analysis and found to contain 117.4 g of platinum,…

A: We know that,  Number of mole = given mass/molar mass Atomic mass of platinum =195.084 g

Q: 3.11  mL of seawater contains about 1.31×10-14  moles of gold, how many atoms of gold are in that…

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Q: Calculate the mass, in grams, of 752 atoms of cesium, Cs. (molar mass of Cs is 132.91 g)

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Q: Determine the mass in grams of 5.53 × 1021 atoms of arsenic. (The mass of one mole of arsenic is…

A: Answer:- Firstly using the given number of atoms of arsenic, moles are calculated. Then using the…

Q: In 1871, Mendeleev predicted the undiscovered element ekasilicon. In 1886, the element was…

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Q: A compound of Cl and X are found to have a molecular mass of 137.324 amu and 77.445% Cl, by mass.…

A: Total molecular mass = 137.324 amu. Here 77.445% is Cl and (100-77.445) = 22.555% is X. 77.445% of…

Q: The empirical formula for styrene is CH(l), and its molar mass is 104 g/mol. What is its molecular…

A: Given is,  Empirical formula of styrene = CH Molar mass =104 g/mol

Q: Calculate the mass, in grams, of 457.0 atoms of cadmium, Cd (

A: given, no. of atoms of cadmium (Cd) = 457.0 atoms mass of 1 mol Cd = 112.41 g  1 mol of an element…

Q: A substance is 10% carbon by mass. If the total mass of substance is 25 grams, (a) what is the mass…

A: It is based on the concentration terms. Here we are required to find the mass of carbon present in…

Q: Calculate the mass, in grams, of  0.607  mol of hydrogen peroxide,  H2O2 . mass of  H2O2:

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Q: Calculate the mass, in grams, of 762 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: In 1 mol of Fe or 55.85 g of Fe, the number of Fe atoms is 6.022×1023 atoms.

Q: Selenium dichloride, SeCl2, has a molar mass of 149.86 g/mol.  What is the mass in grams of 0.325…

A: Given, moles of SeCl2 = 0.325 moles molar mass of SeCl2 = 149.86 g/mol mass of SeCl2 = ?

Q: Calculate the mass, in grams, of 175.0 atoms of cadmium

A: Given :- number of atoms of Cd = 175.0 atoms                mass of 1 mol Cd = 112.41 g  To…

Q: Calculate the mass, in grams, of 231.0 atoms of cadmium, Cd (1 mol of Cd has a mass of 112.41 g

A: The mass of cadmium can be calculated as:

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

A: Since you have posted a question with multiple sub- parts, we will solve first three sub- parts for…

Q: Determine the mass, in grams, of 0.785 moles of Si (1 mol of Si has a mass of 28.09 g)

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

Q: Naturally occurring chlorine consists of 35Cl (mass 34.96885 amu) and 37Cl (mass 36.96590 amu), with…

A: Given, Naturally occurring chlorine consists of Cl35 (mass 34.96885 amu)and Cl37 (mass 36.96590…

Q: What is the mass, in grams, of 1.223 mol of iron(III)sulfate?

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

Q: mole of Fl(OH)2 would have a mass of how many grams

A: Given -> Molecular formula= Fl(OH)2 Number of mole = 1 mole

Q: Complete the following calculation and upload your work. You have 5.63 x 1024 atoms of the…

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Q: mercury occurs as a sulfide one called cinnabar, Hgs. How many moles of HgS are contained in a…

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Q: Calculate the mass, in grams, of 402 atoms of lithium, Li

A: Number of moles = number of atoms/6.022 x 1023 atoms  Mass = moles x molar mass

Q: What is the mass of 29.4 mol of benzene (C6H6)?

A: Mole is a unit of measurement to represent the amount of substance. It can be expressed as,…

Q: Calculate the mass, in grams, of 732 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A: Number of mol of Fe = Number of atoms/Avogadro's number                                    =…

Q: mass of 1.2 × 10^23 atoms of phosphorus (molar mass= 31 gm/mo

A: The one mole of a substance contains 6.022×1023 number of its atoms.here moles of…

Q: calculate the mass, in grams, of 532 atoms of potassium, K (1 mol of K has a mass of 39.10g).

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Q: Calculate the mass, in grams, of 392 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g) .

A: 392 atoms of Iron Calculate the mass of Iron .Molar mass of Iron is 55.85 gmol

Q: Calculate the mass, in grams, of 263.0 atoms of cadmium, Cd (1 mol of Cd has a mass of 112.41 g).

A: This problem can be solved by knowing that one mole of any substance contain 6.022×1023 particles.

Q: Styrene Empriical formula is CH. Wh at mass of styrene contain 1.98x 10^21 Atoms of hydrogen. The…

A: The objective of the question is to find out the mass of Styrene that contains a specific number of…

Q: What amount of CuSO4•5H,O, in moles, does this mass represent? mass = 1.787 g %3D X mol resubmit…

A: Given : Mass of CuSO4.5H2O = 1.787 g And molar mass of CuSO4.5H2O = 249.69 g/mol.

Q: How do you calculate the number of grams of a molecule formed from a specific mass (g) of one of the…

A: By checking properly, the stoichiometry of the specific element whose mass is given in the compound,…

Q: What is the molar mass for the compound Orchidium Nitrate - Or(NO3)2? Orchidium has an average…

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Q: Determine the mass, in grams, of 0.400 moles of Si (1 mol of Si has a mass of 28.09 g).

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Q: What quantity in moles of potassium atoms do you have if you have 3.50 x 1022 atoms of potassium.…

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Q: Nitrogen atoms on a distant planet have two dominant isotopes: 69.9% 14N (atomic mass 14.003

A: Given data is  N14 Atomic mass= 14.003 g/mol, abundance= 69.9%  N15 atomic mass = 15.000 g/mol,…

Q: If 90.0  grams of isopropyl alcohol ( C3H7OH) burns in air, how many molecules of carbon dioxide…

A: Solution— Moles of isopropyl alcohol = mass of isopropyl alcoholmolar mass of isopropyl alcohol…

Q: An unknown compound has the following chemical formula: Cr(OH), where x stands for a whole number.…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.