molecular weight is the summation of Atomic numbers Atomics weight Number of molecules

Q: Diamond is one form of elemental carbon. An engagement ring contains a diamond weight 1 carats. One…

A: Conversion of Units:-This can be doneby a Method called unit factor Methodcalled Dimensional…

Q: Mass of product…

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Q: Determine the number of moles of -2 magnesium used. The atomic weight of .magnesium is 24.3 g/mole

A: Given information is as follows; Mass of Magnesium = 2 g Atomic weight of Magnesium = 24.3 g/mole…

Q: How many atoms are present in a 50 gram sample of Ca (#20)? O 8.33 x 1023 atoms O 1.5 x 1024 atoms O…

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Q: 59. Determine the molecular weight of Ca(NO,)2

A: Solution- Formula =Ca(NO3)2. Molar mass Ca  =  40.00g/mol. Molar mass N  = 14.00g/mol. Molar mass O…

Q: . Which element comprising calcium nitrate has the least percentage by mass? RSK. Calcium KRS.…

A: Chemical formula of calcium nitrate = Ca(NO3)2  1 mol Ca(NO3)2 has 1 mol Ca, 2 mol N amd 6 mol O

Q: Explain Molecular Weight?

A: Molecular weight is the total atomic masses of all atoms present in the molecule.

Q: completely in excess oxygen, and the mass of the products carefully measured: product mass carbon…

A: Explanation given as follows

Q: A 1.740-g sample of coal contains 1.584 g C. Calculate the mass percentage of C in the coal. Mass…

A: Mass percentage of C = 91.03 %

Q: Identify the number of atoms of silver that are in 0.2124 moles of silver

A: Given - - > Number of mol of silver = 0.2124 mol   We known that, 1 mol of atoms = 6.022 x 1023…

Q: Calculate the    molecular    weights    of    N2,    CO2,    and    O2.     Write    the…

A: Given  Molecules = N2 , CO2 , O2 Molecular weight = ?

Q: TRUE or FALSE Molecular mass is the sum of the atomic masses in a molecule.

A: Molecular mass gives the mass of the molecule relative to that of 12C atom which has a mass equal to…

Q: How many silver atoms are contained in 1.75 moles of silver?

A: 1 mole of a substance is equal to the Avogadro number of atoms.  1 mole =6.022 x 1023 atoms.

Q: Calculate the number of moles in sample. 25.2 kg C2H2

A: Mass of C2H2 in sample  25.2 kg Then molar mass of C2H2 is calculated Then by using mass and molar…

Q: Given the following reaction, what mass of hydrogen gas will be produced by the reaction of 1.16 mol…

A: The above problem is based on the concept of limiting reagent.

Q: 1. What does the average atomic mass of an element represent? What unit is used for average atomic…

A: We will answer the first question since the exact one wasnt specified.Please resubmit a new question…

Q: 3 A2B + 6 CD --> 6 AD + 3 C2B (OR 3 A2 B + 6 C D right arrow 6 A D + 3 C2 B) Calculate the number…

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Q: Calculate the number of atoms present in a sample of 1.50 grams of silver (Ag).

A: Find the mole of silver that present in 1.50 grams of silver sample,

Q: Sketch a simple schematic diagram of a mass spectrometer. Briefly explain how mass spectrometers…

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Q: substance with a molar mass of 231.40 g/mol is made up of 72.30% Fe, and 27.70% Oxygen. The…

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Q: This question will walk you through the process of calculating the number of atoms present in a…

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Q: How many moles of gold do you have in a 2 gram gold nugget? MM=197 g/mol

A: Given,  Mass of gold nugget = 2 g  Molar mass of gold nugget = 197 g/mol

Q: What is the molecular weight of compound BaCl₂2H₂O in unit amu (atomic mass unit) (U)

A: Molar mass is equal to sum of atomic mass of all elements

Q: The following question refers to the mass spectrum of atom Y, shown below. Mass Spectrum of Atom Y…

A: Atoms are everywhere. They are the building blocks of elements. There are three primary atomic…

Q: Explain the concept of molecular weight ?

A: Molecular weight can be described as a sum of atomic mass of all the atoms present in a molecule.…

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

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Q: The molar mass of an element is numerically equivalent to what? b. 1 mole a. 1 amu c. its atomic…

A: Molar mass is the sum of mass of all atoms and the unit of the molar mass is grams or g

Q: What is the total number of hydrogen atoms on the right-hand side of this chemical equation? 6…

A: Given 6CO2(g) + 6H2O(l) -----> C6H12O6(s) + 6O2(g)

Q: what Mass or NaN3 L6S mol) is needed to produce (28 9 mol-) ? 1.00 g 2 Na Ng 7Z Na+ 3 N2 a) 1.Ss 9…

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Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A: The mineral sample has the elemental composition: Element atomic weight (g/mol) Percent…

Q: Determine the number of moles of oxygen atoms in sample. 24.1 mol CO2

A: 1 mole of substance to be 6.022 × 1023, a quantity called Avogadro's number. A mole is a unit…

Q: Ca₃(PO₄)₂(s) + H₂SO₄(aq) → CaSO₄(s) + H₃PO₄(aq) calculate the mass in grams of Ca₃(PO₄)₂ that will…

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Q: If 20% by weight of nitrogen is present in a compound, the molecular weight of the compound may be…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: The mass spectrum of a sample of an element is shown. 50 40 Relative abundance 30 40 50 60 70 20 30…

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the…

Q: In the following How many Pb atoms How many O atoms How many N atoms Pb(NO3)2

A: The molecular name of Pb(NO3)2 is lead (II) nitrate. The molecular mass of lead nitrate is 331.2…

Q: Identify the principle component(s) of the essential oil from mustard. Determine the chemical and…

A: Mustard essential oil or volatile oil of mustard is an essential oil. It is mainly extracted from…

Q: Briefly explain how the atomic mass of an element is related to its molar mass.

A: How the atomic mass of an element is related to its molar mass ?

Q: Naturally occurring chlorine that is put in pools is 75.53 percent 35Cl (mass = 34.969 amu) and…

A: Given : There are total 2 naturally occurring isotopes of chlorine Mass of isotope 1 i.e 35Cl =…

Q: 24.3 g He = ____________ mol He

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

Q: The molecule dextrose has a molecular formula of C6H1206. Each carbon's mass is 12 amu, each…

A: The given data contains, Molecular formula of dextrose - C6H12O6. Mass of carbon = 12 amu. Mass of…

Q: In the following How many Fe atoms How many O atoms How many S atoms Fez(SO4)a

A: The number of atoms present in Fe2(SO4)3 has to be given.

Q: A sample of Ni(CO)4, a toxic transition-metal complex, has 5.23 x 1024 atoms of carbon. How many…

A: One mole of any substance contains 6.022 ×1023 atoms.  this is called as avogadro's number.

Q: Mass of ground pill Volume of KMNO, Moles of KMNO, Moles of Fe2+ Moles of FeSO, • 7H,O Mass of FeSO,…

A: Given: Molarity of KMnO4 = 0.0114809 M Balanced reaction : MnO4− + 5 Fe2+ + 8 H+ → Mn2+ + 5 Fe3+ + 4…

Q: Calculate the number of atoms in 16 g of Si-28. The isotope Si-28 has a mass of 27.977 amu. 0.57 mol…

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Q: The molar masses of the four natural isotopes of chromium are 50 g mol-1, 52 g mol -1 53 g mol -1…

A: Given: The molar mass of four isotopes of chromium is 50 g/mol, 52 g/mol, 53 g/mol, and 54 g/mol.…

Q: Mass spectrometers are used to determine which of the following? A. Composition in sample B.…

A: Mass spectrometers are the instruments which is used to determine the mass to charge ratio of…

Q: . How many oxygen atoms are in 328g Ca (NO3) 2.

A: 12 oxygen atoms are in 328g Ca (NO3) 2. Formula =Ca(NO3)2=Ca(NO3)2 Molar mass…

Q: Calculate the number of moles in sample. 12.4 g C12H22O11

A: The no of moles can be calculated from given mass and molar mass.