An experiment requires that enough XeOF4 be used to yield 19.2 g of fluorine. How much XeOF4 must be weighed out?

Q: What is the mass percent of iron in iron(II) phosphide

A: Fe2P Molar mass of Fe2P=142.66gm/mole Atomic mass of Fe = 55.85gm/mole

Q: In the structure given below, the total number of Hydrogen and carbon atoms are: 9, 6 10, 7 10, 6 O…

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Q: Determine the number of each type of atom in formula. Mg(HCO3)2

A: We have to determine the number of atoms of each type present in the Mg(HCO3)2.

Q: Determine the number of atoms of O in 90.8 moles of Cr3(PO4)2.

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Q: Complete the table. Element Mass Moles Number of Atoms Na 38.5 mg C 1.12 V 214 Hg 1.44 kg

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

Q: What mass of cerussite, PbCO3, would contain 35.0 grams of lead? (a) 51.7 g (b) 42.4 g (c) 35.6 g…

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Q: Describe the type and nature of the bonding that often occurs between two nonmetals.

A: Every atom wants to achieve an stable electronic configuration, an octet, (and sometimes a duplet…

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

A: 1 mole of vanadium contains Avogadro’s number of atoms. The number of mole of 1.28 g of vanadium…

Q: Write the empirical formulas for (a) glucose, a substance also known as either blood sugar or…

A: Empirical formula : The formula which gives the simplest wholenumber ratio of the atoms of various…

Q: Calculate the mass % composition of Lithium in Li3PO4.

A: The mass percent of Li in Li3PO4 is calculated below.

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

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

Q: 5. How many atoms of hydrogen are present in 2.69 moles of water? 6. Calculate the mass of nitrogen…

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Q: What is the mass of one atom of I? O 4.745 x 10-22 g O 3.443 x 10-22 g O 6.641x 10-23 g O 2.107 x…

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Q: Describe the formation of solid potassium sulfide (K2S) from large numbers of potassium and sulfur…

A: ANSWERE IS DISCUSSED BELOW :

Q: The active ingredient in baking soda is NaHCO3. How many grams of NaHCO3 are needed to provide 2.15…

A: The active ingredient in baking soda is NaHCO3.  One atom of NaHCO3. contains = 3 atoms of O. or, 1…

Q: What mass (in g) does 3.99 moles of Kr have?

A: Given:Number of moles of Kr = 3.99 molesMolecular mass of Kr is known(from the periodic table) =…

Q: An experiment requires that enough C6H12O6 be used to yield 17.2g of oxygen . How much C6H12O6 must…

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Q: Determine the number of atoms of O in 88.2 moles of Na₂Cr₂O₇

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: Nitrogen forms more oxides than any other element. Thepercents by mass of N in three different…

A: Empirical Formula: The empirical formula of a compound is the simplest whole number ratio of each…

Q: 4. What is the molar mass of the following compounds? mo bneids (1)mumoi b. Sr(NO3)2

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Q: Determine the Average Atomic Mass of the mixtures of Hydrogen isotopes. 99% 'H, 0.8% ²H, and 0.2% 'H

A: Answer is explained below.

Q: The total number of atoms in Ca(OH)2

A: Ca(OH)2 is a base and its name is Calcium hydroxide. Atom is the smallest entity of any element and…

Q: Calculate the number of atoms in a 2.92 x103 g sample of boron.

A: Firat calculate number of moles.

Q: How many gold (Au) atoms are there in a 10. g sample of that is 50% Au by mass?  a. 6.2 x 1022 b.…

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Q: If carbon has a molar mass of 12g and oxygen has a molar mass of 16g. What is the molecular mass of…

A: Consider the given information is as follows: Molar mass of carbon = 12 g Molar mass of oxygen = 16…

Q: Determine the number of atoms of O in 62.3 moles of Na₂Cr₂O₇

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Q: The best fertilizer is analyzed for its nitrogen content fertilizer rating). NH4NO3 and (NH 4 )2SO4…

A: An atom is the smallest substance that determines the identity and the properties of the element. A…

Q: 8. BaF2

A: why is the name Barium 1 fluoride instead of Barium 2 Fluoride ?

Q: Determine the number of atoms of O in 7.23 moles of Fe(NO₃)₃

A: 1 formula unit of Fe(NO3)3 = 9 atoms of oxygen .

Q: The element X forms the compound XOCl2 containing 59.6% Cl. What is element X?

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: What mass of oxygen would be required to convert 4.00 g of sulfur into sulfur trioxide (SO3)?

A: Given, amount of sulfur =4.00 gramwe are asked to calculate the mass of oxygen would be required…

Q: an oxide of iron has the formula Fe3O4. what mass percent of iron does it contain?

A: Molar mass of Fe = 55.845 g/mol.Molar mass of O = 15.999 g/mol.

Q: Identify the type of reaction that is occurring in the video (represented by Darlene's equation…

A: The given reaction is, Pb(NO3)2 + 2KI → PbI2 +KNO3 To identify the type of reaction and to find, how…

Q: What is the mass of 3.65 moles of sodium bicarbonate? 307 g 87.8 g O 486 g O 84.0 g O 106 g

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Q: How many moles of NF3 contain 2.55 x 1024 fluorine atoms?

A: We have to calculate the moles of NF3.

Q: What mass of NO2 would have the same number of moles of N with 0.402 g of porphyrin, C20H14N4?…

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Q: Determine the number of atoms of O in 81.6 moles of Al2(CO3)3.

A: Number of moles of Al2(CO3)3 = 81.6 moles

Q: List the elements in the compound CCl2Br2 in order of decreasing mass percent composition.

A: Mass percent composition can be expressed as the ratio of mass of the element in 1 mole of a…

Q: Calculate the number of atoms in a 4.06 x 10 g sample of calcium. number of atoms:

A: Given: The mass of the sample of calcium (Ca) is 4.06 x 103. The molecular weight of calcium (Ca) is…

Q: Show your work and report your results with the corre figures. 8008. 1. Calculate the mass percent…

A: Mass percent of Ca=(mass of Ca/ total mass) x 100. Molar mass of CaSO4=1x atomic mass of calcium +…

Q: A 4.78 g sample of Al reacts with O2 to form 6.67 g of Al2O3. calculate the mass percent of Al in…

A: Mass percent of an element is equal to the mass of the element divided by total mass multiplied by…

Q: Calculate the mass% of O in K2SO4 . K = 39.10 g/mole,  O = 16.00 g/mole,   S = 32.07 g/mole

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Q: Find the total number of atoms in a sample of cocaine hydrochloride, C17 H22 CINO4, of mass 22.5 mg…

A: Since we know that  1.0 mol of any substance = 6.022 × 1023 atoms  So first we calculate the number…

Q: 8+83= %3D Oxygen Carbon %3D

A: Combination reaction: A combination reaction is a type of chemical reaction in which two reactants…

Q: Uranium (VI) fluoride (UFe) can be used for the enrichment uranium. What is the elemental…

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Q: the mass percent of magnesium in MgSO4.

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Q: Using atomic masses of 69.7 g/mol for gallium and 35.5 g/mol for chlorine, the percent chlorine by…

A: Given that, the molar mass of gallium (Ga) is 69.7 g/mol. The molar mass of chlorine (Cl) is 35.5…

Q: An experiment requires that enough SiCI2 I2 be used to yield 18.1 g of iodine. How much SiCI2 I2…

A: Mass of iodine produced = 18.1 g   From the reaction we get that , 1 mol SiCl2 produce = 1 mol I2…

Q: Determine the number of atoms of O in 85.0 moles of Cra(PO.) 4.09 x 10 26 atoms 3 4. 6. 8. 9. +/- x…

A: Given: 85.0 moles of Cr3(PO4)2

Q: Find the mass of 2.45 X 1023 molecules of Ca(OH)2? Use: Ca = 42.0g, H = 1.25g and O = 15.7g as…

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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.