What number of Fe atoms and what amount (moles) of Fe atoms are in 500.0 g of iron?

Q: What is the mass, in grams, of 9.44 x 1024 molecules of methanol (CH,OH) ?

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Q: A sample of limestone and other soil materials was heated, and the limestone decomposed to give…

A: Given -> CaCO3(s) -----> CaO(s) + CO2(g)  Weight of sample = 2.237 gm  Weight of CO2 formed =…

Q: A particular ore of lead, galena, is 10.0% lead sulfide, PbS, and 90.0% impurities by weight. What…

A: we  need to calculate mass of Pb in the ore

Q: How many molecules are in 156 g of aluminum sulfate? 1. 2. What is the mass of 5.36 x 102² molecules…

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Q: What is the mass, in grams, of 9.53 x 1024 molecules of methanol (CH, OH) ?

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Q: The “lead” in lead pencils is actually almost pure carbon and the mass of a period mark made by a…

A: Answer = 5.02 x 10 19

Q: Calculate the mass in grams of 1.90×10241.90×1024 molecules of Butane, C4H10.

A: Given:  Molecules of butane =1.90×10241.90×1024 molecules Standard data: The molar mass of butane…

Q: The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Molar mass of any element is equal to the atomic mass of that element in the unit of grams. Molar…

Q: How many moles of C (to two decimal places) are found in 6.87 x 1024 C atoms?

A: Given,The number of carbon (C) atoms = 6.87 x 1024  C atoms.

Q: Calculate the number of O atoms in 0.0136 g of CaSO4 2H₂O. x 10 O atoms (Enter your answer in…

A: Answer: Given data: Mass of CaSO4.2H2O m=0.0136g

Q: What is the mass, in grams, of 9.34 x 1024 molecules of methanol (CH3OH) ? mass: g

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Q: What is the mass, in grams, of 9.71×1024 molecules of methanol (CH3OH)?

A: Introduction :  We need to calculate mass in grams for CH3OH . First convert molecules into moles .

Q: What mass of iron (III) oxide is produced when 3.88 X 1025 grams of oxygen reacts with excess…

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Q: Consider the reaction N2(g) + 3H2(g) → 2NH3(g) What mass of the excess reagent remains (in grams)…

A: Given Reaction: N2(g) + 3H2(g) → 2NH3(g)

Q: The chemical formula for feldspar is K₂Al₂Si₆O₁₆. How many moles of feldspar are in 669.9 grams?

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

Q: How many grams are in 5.32 x 1022 molecules of CO2?

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Q: A sample contains 3.23 * 10 ^ 25 molecules of CO 2 . What would be the mass of that sample, in…

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Q: Given the atomic masses: x=1 grams Z=16 grams A=32 grams What is the molar mass (in grams ) of…

A: Given: The atomic masses for x, Z and A are included in the table. Element Atomic mass of 1 mole…

Q: The reaction of 7.71 x 103 g of titanium (IV) chloride gas with 1.45 x 103 g of oxygen gas produces…

A: Titanium chloride reacts with oxygen to give titanium oxide and two moles of chlorine gas.

Q: A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of…

A: Given: Mixture of metal X and Z. And mass percent of X and Z in the mixture.

Q: The mole is defined as the number of atoms in exactly 12 gg of carbon-12. The mole equals…

A: Avogadro number is the unit used for 1 mole of chemical substance. It is applied to convert the…

Q: Calculate the mass in grams of 3.07×10243.07×1024 molecules of propane. The chemical formula for…

A: Given that : The number of molecules of propane = 3.07×1024 The chemical formula for propane is…

Q: Calculate the mass in grams of 6.12 mole Cu(NO3)2.

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: A mixture consisting of 11.3 g of calcium fluoride, CaF2, and 10.8 g of sulfuric acid, H2SO4, is…

A:

Q: What is the mass, in grams, of 9.53 x 10" molecules of methanol (CH, OH) ? mass:

A:

Q: you have 1.500 moles of an unknown metallic element. You go to the balance, and find that the mass…

A: Number of Moles of the Unknown Element = 1.500 moles Mass of the Element = 161.80 g   In order to…

Q: In a chemical reaction, sulfur goes through a combustion reaction and produces sulfur trioxide as a…

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Q: Assuming gasoline to be pure 2-methylhexane, C7 H16 (actually, it is a mixture of many substances),…

A: Molecules consumed per mile =  5.96 x 1023 molecules We need to find the mass of fuel.

Q: How many grams of carbon are in 1.13 x 1025 molecules of (carbon dixide) CO2 ?

A: Given, Number of molecules of CO2 = 1.13 x 1025  Mass of Carbon (C) = ? Note: molar mass of C =…

Q: What is the mass, in grams, of 9.32×1024 molecules9.32×1024 molecules of methanol (CH3OH)?

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Q: What is the mass, in grams, of 9.81 x 1024 molecules of methanol (CH,OH) ? mass:

A: The answer to the given question is as follows--------- First we convert the number of molecules to…

Q: The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a…

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Q: A chemical compound has a molar mass of 136.63 g/mol. How much would 2.46x10^22 molecules of this…

A:

Q: Gun powder reacts according to the following reaction: 10 KNO3 (s) + 8 C (s) +3 S (s) → 2 K2CO3 (s)…

A: We can solve this problem by using defination of mole  Mole is difine as ratio of mass of substance…

Q: grams in 11

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2. Iron reacts with chlorine gas to form iron(II) chloride: 2 Fe(s) + 3 Cl₂(g) →→2 FeCl,(s) What…

A: Two mole of iron react with three mole of Cl2 and produced two mole of FeCl3

Q: What mass of iron (III) oxide is produced

A: Number of moles = mass/molar mass  Molar mass of O2 = 31.999 g/mol  Molar mass of iron (iii) oxide =…

Q: The chemical formula for chlorophyll is C₅₅H₇₂MgN₄O₅. Given the molar mass of the compound is 893.49…

A: Given, mass of C₅₅H₇₂MgN₄O₅. = 1.501 g Molar mass of C₅₅H₇₂MgN₄O₅. = 893.49 g/mol  Number of moles =…

Q: How many grams would a 18.615 mole sample of a substance weigh if its molar mass was 399.76 grams…

A: Formula to calculate mole:- Mole = mass ÷ molar mass

Q: If steel wool (iron) is heated until it glows and is placed in a bottle containing pure oxygen, the…

A: To solve this problem we have to use the given balanced chemical equations .  First we have to find…

Q: How many molecules of CO2 are there in 98.3 grams?

A: 1 mole of any compound contains Avogadro number6.022×1023 of molecules.We have to find number of CO2…

Q: The atomic mass of Cl is 35.45 amu, and the atomic mass of Al is 26.98 amu. What are the masses in…

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Q: Calculate the mass (in grams) of 4.59×1024 atoms of Cu. Calculate the number of atoms of Cu in 52.1…

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Q: Manganese(Mn) is a transition element essential for the growth of bones. What is the mass in grams…

A: Manganese is represented by atomic symbol Mn and it is a transition element. Also, it can be said…