How many molecules of butane (C,H10) are contained in the following number of moles: (a) 4.80 mol; (b) 0.580 mol? The answer should be provided in scientific notation.

Q: How many grams are present in 2.4x1045 molecules of H2O2?

A: Given :- number of H2O2 molecules = 2.4 × 1045 molecules  To calculate :- mass of H2O2 (in grams)

Q: What is the mass of 2.11x1024 molecules of C,H6?

A: 1mole of any substance contains Avogadro no. or 6.023×10^23 no. of molecules. The rest is solved by…

Q: if 0.274 moles of a substance weigh 62.5 g, what is the molar mass of the substance in units of…

A: 1 mole = 6.022×1023 [ Avogadro's number ] The mass of one mole of molecules of a substance is called…

Q: What is the mass, in grams, of 9.84x1024 molecules of methanol (CH3OH)?

A: Given:Number of atoms = 9.84x1024 atoms.Molar mass of CH3OH = 32 g/mol.

Q: The molar mass (to two decimal places) for Fe2(CO3)3 is ______________  g/mol.

A: Molar mass is mass of 1 Mole a substance.

Q: What is the mass, in grams, of 9.55×1024 molecules9.55×1024 molecules of methanol (CH3OH)?

A:

Q: the mass of 0.014 moles of sodium sulfate, in grams?

A: The relation between number of moles(n), molar mass(M) and mass (m) of a substance can be given by…

Q: How many molecules are in 68.8 moles of CO₂?

A: No. Of CO2 molecules= 4.14× 1025

Q: 5. How many moles are in 6.24 x 1021 molecules of CaSO,?

A: According to Avogadro law  1 mole = 6.02* 1023 molecule

Q: A fuel tank used in a barbecue contains 9.8 gr. of total atoms of propane, C3H8(g)- a. What amount…

A: Because propane is made up only of carbon and hydrogen , the chemical formula is C3H8 . It's an…

Q: 2.3 (a) How many grams are there in one amu of a material? (b) Mole, in the context of this book, is…

A: A.M.U is defined as mass of One atom.

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

A: molecular mass of chlorophyll  = 893.49 g/mol

Q: An average cup of coffee contains about 125 mg of caffeine, CRH10N4O2. How many moles of caffeine…

A: Moles of the caffiene can be determined by suing the formula given below as: Moles of Caffeine=Given…

Q: 1. How many molecules of chlorine are needed to react with 5.6 g of iron to form iron (III)…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 1. How many molecules of aspirin C,H804 if there are 0.360 g of it?

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

Q: The chemical formula for the antidepressant fluoxetine is C₁₇H₁₈F₃NO. What is the mass in grams of…

A: Given data: The molecular formula of fluoxetine is C17H18F3NO. The given moles of fluoxetine is…

Q: Make the following conversions: 25 mol Cl2 to atoms chlorine

A: The number of Cl2 molecule in the 25 mol Cl2 is; Number of Cl2 molecules=6.022×1023/mol×25…

Q: how many molecules are in 78.0 moles of co2?

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: There are 12.6 grams of sugar. With the molecular formula C12H22O11, what is the molar mass of this…

A:

Q: How many molecules are in 84.2 moles of CO₂?

A:

Q: Methanol can be formed by the following UNBALANCED equation below. What is the mass in grams of…

A:

Q: If 7.80x10¹⁸ atoms of a substance weighs 62.5g what is the molar mass of the substance in units of…

A: The number of atoms present in one mole of any substance is called as Avogadro's number which is…

Q: How many molecules of MgCl2 are there in 5 moles?

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

Q: One mole of hydrogen peroxide, H2O2, would consist of how many molecules?

A: Given : Moles of H2O2 = 1 mol

Q: 3N22SO4 # of molecules: # of elements:

A: The name of Given molecule is sodium sulphate. So the molecular formula is Na2SO4 . Therefore number…

Q: 5. Fructose (C,H,,O), a simple sugar, is commonly found in soft drinks, vegetables, fruit, and many…

A: Given: molecules of Fructose = 93.0*1023 molecules molar mass of C = 12.011 g/mol molar mass of H =…

Q: How many moles are there in 6.45x1026 molecules of methane, CH4?

A:

Q: How many moles of toluene, CoH5CH3, are In 19.6g of toluene?

A: Given: Mass of toluene = 19.6 g

Q: Ascorbic acid, or vitamin C (C6H8O6), is an essential vitamin. It cannot be stored by the body and…

A: Given : Mass of vitamin C i.e C6H8O6 in tablet = 500.0 mg = 0.500 g…

Q: How many moles of sucrose, C12H22O11, are in a 25-g sample of sucrose?

A: The atomic mass of , C = 12                                    H = 1…

Q: The chemical formula for topaz is Al₂SiO₄F₄. How many moles of topaz are in 990.5 grams?

A: First, calculate the molar mass of Al₂SiO₄F₄. Molar mass = 2×(molar mass of Al) + 1×(Molar mass of…

Q: How many molecules are in 119.78 g of butane (C4H10)?

A: Mass of butane = 119.78 g  Number of molecules of butane = ? • Number of moles = mass / molar mass…

Q: How many moles are there in 100.0 g of methanol (CH3OH)?

A: Number of moles = Mass/molar mass

Q: What is the mass, in grams of 9.47*10^24 molecules of methanol?

A:

Q: What is the mass, in grams, of 9.49×1024 molecules of methanol (CH3OH)?

A: Please find the attached images for the answer

Q: A compound M2O3 is 30.06% oxygen, where M is an unknown metal. The molar mass of M2O3 is?

A:

Q: Methanol can be formed by the following UNBALANCED equation below. What is the mass in grams of…

A: Balanced  chemical equation 2H2(g) + Co(g) = CH3OH(l)

Q: Coffee has the following formula C8H13N a) What is the molar mass of Coffee? b)How many moles of…

A: Molar mass is the sum of the atomic masses of each atom present in a molecule. atomic mass of C = 12…

Q: What is the mass of a single molecule of sugar (C6H1206) in grams?

A: Given - 1 molecule of sugar C6H12O6 Avogadro's number  = 6.022 x 1023 molar mass of C6H12O6 =…

Q: How many H,0 molecules comprise one mole of H,O?

A: The number of molecules in any substance is given by, => Number of molecules = moles X Avogadro's…

Q: The chemical formula for the anticoagulant heparin is C₁₂H₁₉NO₂₀S₃. What is the mass in grams of…

A: The mass of a substance is calculated as follows,                  Mass = No. of moles × Molar mass…

Q: What would be the molar mass of this compound (C5H10) in grams?

A: The molar mass of a compound is the sum of atomic masses of  individual atoms present in that…

Q: How many molecules of carbon dioxide, CO2, comprise 2.55 grams?

A: 44 g of CO2  comprises  1 mole1 mole of CO2(44 g) contains  6.022 X 10 23 molecules 2.55 g of CO2…

Q: How many moles of H2SO4 do you have if there are 1.64x10^12 molecules of H2SO4?

A:

Q: The reaction of aluminum and bromine is pictured below. The white solid on the lip of the beaker at…

A:

Q: The percent by mass of silver in Ag,CO3 is %.

A: Molecular mass of Ag2CO3 = 2*atomic mass of Silver + atomic mass of Carbon + 3*atomic mass of Oxygen…

Q: A large organic molecule has a mass of 1.41 * 10-21 kg. What is the molar mass of this compound?

A: Given that, Mass of organic molecule= 1.41×10-21 kg Molar mass is given by the following formula…

Q: If Avogadro’s number of pennies is divided equally amongthe 321 million men, women, and children in…

A:

Q: Question attached

A: Given: Mass of ethanol = 18.5g To find: The number of molecules present in 18.5 g of CH3CH2OH

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".