Which of the following conversion factors is correctly set up to determine the number of moles of lead in a sinker that is composed of 9.60 x 1021 atoms of lead?

Q: The density of carbon tetrachloride is 1.59 g/mL. How many chlorine atoms are present in 55 mL of…

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

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Q: . How many oxygen atoms are in 76.3 g N2O4? Conversion must be set-up in one step using dimensional…

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Q: What is the mass in grams of 7.54 x 1025 molecules of Br2?

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Q: Calculate the mass in grams of 1.23×10241.23×1024 molecules of methanol. The chemical formula for…

A: Given that, the molecules of methanol= 1.23 × 1024 Now, as per Avogadro’s law: 1 mol of methanol…

Q: What is the mass in grams of 4.11 x 1025 molecules of O,?

A: Given :- number of O2 molecules = 4.11 × 1025  To calculate :- mass (in grams)

Q: Calculate how many grams of chlorine gas are in 8.031 x 1023 atoms of chlorine gas.

A: Given: Atoms of chlorine gas is 8.031×1023 Mass of one mole of chlorine gas is 70.9 g

Q: Calculate the mass in grams of 3.65 x 1024 molecules of methanol. The chemical formula for methanol…

A: Given, Number of molecules of methanol (CH4O) = 3.65 × 1024 molecules Mass (in grams) of 3.65 × 1024…

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: What is the mass, in grams, of 9.93 x 104 molecules of methanol (CH,OH) ? mass:

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Q: How many moles of pentane are needed to produce 2.30 x 1023 molecules of carbon dioxide gas?

A: 1st we have to calculate the number of Moles of CO2 from the number of Molecules of CO2. We know , 1…

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

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Q: Calculate the mass in grams of 1.39x10^24 molecules of methanol. The chemical formula for methanol…

A: We are given 1.39×1024 molecules of ethanol are present and we have to calculate the mass in grams…

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

A: The chemical formula for chlorophyll is C₅₅H₇₂MgN₄O₅. Molar mass of chlorophyll is 893.49 g/mol1 mol…

Q: Calculate the mass in grams of 1.40 x 104 molecules of Phosphorus triiodide, Pl3. g

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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: Using the average atomic mass, calculate the mass in grams of each of the following samples.…

A: Given information,     4.50 x 103 mol of germanium, Ge

Q: What is the mass in grams of 5.00 x 10¹2 H₂O molecules?

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Q: How many moles of H2SO4 do you have if you there are 1.64 x 1012 molecules of H2SO4?

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Q: How many grams are in 9.3 x 1020 atoms of Lead?

A: Applying concept of mole and avogadro concept.

Q: How many atoms would there be in 6.18x106 g of chlorine, Cl2?

A: Given, Mass of chlorine gas (Cl2) = 6.18 × 106 g Number of atoms are there in 6.18 × 106 g of…

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: Find the mass (in grams) of 3.9 X 1023 molecules of CO,

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Q: If 1.23 x 1024 molecules of a substance have a mass of 68.2 g, what is the molar mass of the…

A: Given Data: The mass of the substance is 68.2 g.

Q: 1. The following quantities are placed in a container: 1.5 x 1024 atoms of hydrogen, 1.0 mol of…

A: Given: Number of atoms of H = 1.5 × 1024 atoms. Moles of sulfur, S = 1.0 mol. And mass of diatomic…

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: What is the mass in grams of 1.47 x 1015 molecules of NO?

A: Given : The number of molecules of NO=1.47 x 1015 The molar mass of NO=30.01 g/mol 30.01 g is the…

Q: How many moles are in 2.5 x 1025 molecules of Fe?

A: mole interms of particle :       1 mole of any substance = 6.022 x 1023 particles  this number is…

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

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Q: The chlorophyll-a molecule (C55H72MgN4O5) is important in photosynthesis. (a) Determine its…

A: a) Since molecular mass = sum of ( Atomic mass of atoms X number of atoms in the molecule)  Hence…

Q: A sample of phosphorus weighs 3.8 x 103 ng.  How many phosphorus atoms are present in this sampme?…

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Q: What is the empirical formula of C6H10O2?

A: The C6H10O2 is Allyl glycidyl ether.  Empirical formula of a chemical compound is the simplest…

Q: Prevacid is used to treat gastroesophageal reflux disease (GERD). The chemical formula of Prevacid…

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Q: Calculate the mass in grams of 1.8 x 10^17 KCl molecules

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Q: 7. How many grams are in 2.38 x 1022 molecules of ammonia (NH,)?

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Q: What is the mass in grams of 6.57 × 10²⁵ molecules of N₂? 7.57 × 10²⁵ molecules of O₂?

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Q: Calculate the mass in grams of 2.84 x 1024 molecules of methanol. The chemical formula for methanol…

A: Given  Number of molecules of methanol = 2.84 × 1024 molecules  Chemical Formula of methanol      =…

Q: How many moles are in 1.72 x 1023 molecules of CO?

A: The number of molecules in one mole of a substance is equal to the Avogadro's number.

Q: 1. Calculate the number of moles of chlorine in 2.34 x 1019 molecules of chlorine.

A: The question is based on mole concept. we have to calculate number of moles in given molecules of…

Q: calculate the mass in grams of 1.9x1023    atoms of lead

A: Given : Number of lead atoms = 1.9 X 1023 atoms

Q: 13) How many moles are there in 4.50 x 1022 molecules of CH,?

A: 13.  Number of particles = 4.50 x 1022 molecules Number of atoms = Number of moles of CH4 x NA Here…

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: 5. The empirical formula of a compound is CaH10. hat could its molecular formula be 86 6. A compound…

A: SOLUTION [5.] : Empirical formula of a compound = C4H10O So, molecular formula of a compound will be…

Q: Calculate the mass in grams of 1.35 x 104 molecules of methanol.

A: Given :- number of molecules of methanol = 1.35 × 1024 molecules  To calculate = mass (in g)  1 mol…

Q: How many moles of CS2 make up 2.45 x 1025 molecules of CS2?

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Q: How many moles are 3.604 x 1024 molecules of Co(NO3)2?

A: Given, 3.604 x 1024 molecules of Co(NO3)2

Q: Calculate the mass (in g). 5.0x10^25 O3 molecules

A: Given,Molecules of O3 = 5.0 × 1025Moles of O3 can be calculated as:

Q: Formaldehyde has the formula CH2O. How many molecules are there in 0.55 g of formaldehyde?

A: The molecular formula of Formaldehyde is CH2O Hence molar mass of CH2O = Atomic mass of C X 1 +…

Q: The number of moles in 36 grams of water is O 2 1 O 20

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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".