0.330% of the mass of a hemoglobin molecule is iron.  Calculate the number of iron (II) ions per molecule of hemoglobin.  Hemoglobin has a molecular mass of 6.80 x104 g/mole.

Q: Part 4 3 compounds with elements from groups 2A and 5A Part 4 Chel Compund Catlen

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Q: Name Chemical (compound) formula Cr, (CrO,); Ag, HPO, Co (MnO4)2 Sn, (PO,)4 Cu,N Barium nitrite…

A: Write name or molecular formula of the given formula or name---

Q: What associated anion do Ag+, Fe3+, Cu2+, Ba2+, Pb2+, and Na+ have? And what is the formula of this…

A: Given: some ions are given  To find: Anion associated with it Solution: Ions are formed by loosing…

Q: Name the following substances: Fe (OH)2 Ba3(PO4)2 Na2S Na2SO4

A: Given  Formula of compound = Fe(OH)2  ,  Ba3(PO4)2  , Na2S  , Na2SO4 Name of compound    =  ?

Q: The most common ions for silver, zinc, and scandium areAg+, Zn2+, and Sc3+. Locate the boxes in…

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Q: The hydroxides formed by three elements of period 3 are given in the following table.   Period…

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Q: An 8.925 g sample of a compound containing only carbon, hydrogen, and oxygen gives 9.258 g of carbon…

A: Given : Mass of compound = 8.925 g Mass of CO2 produced = 9.258 g And mass of H2O produced = 5.351 g…

Q: Calculate the percentage by mass of lead in PbCO3. O77.54 O 73.05 17.96 O 22.46 89.22

A: Mass percentage is one of the way of representing the concentration of an element in a compound or a…

Q: Which of the following elements would you expect to have properties most similar to those of…

A: Given elements: a) Cu b) F c) Na d) Cr e) S

Q: What is the mass percent composition of platinum in the carboplatin, C6H12N2O4Pt? Relative atomic…

A: Introduction :  The percent composition gives the mass percentage of each chemical element in the…

Q: What is the overall percent by mass of the Cr in the Cr-Zn alloy if the following alloys were to be…

A: Given We know about the mass percentage  given date is  A.100gram of 15% Cr in the Cr-Zn alloy  B.…

Q: Which one of the following has the smallest mass percent of F in the compound? A)SF6 B)NaF C)XeF2…

A: The details solution for this is provided below in attach image.

Q: Which of the following metals is least chemically reactive?  potassium  sodium  iron  magnesium…

A: The reactivity of s block metals are very high due to presence of just either 1 or 2 electrons in…

Q: Calculate the mass percent of manganese (Mn) in potassium permanganate (KMnO4).

A: First of all, before leading to the solution we will learn about the meaning of mass percent. The…

Q: Which pair of elements would you expect to exhibit the greatest similarity in their physical and…

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Q: Determine the percent by mass platinum in cisplatin, PtCl2(NH3)2. O a. 0.650% O b. 58.5% O c. 65.0%…

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Q: Hydrates take the form: compound·nH2O. An unknown hydrate has a molar mass of 446 g/mol.  If the…

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Q: an element has a density of 10.25 g/cm3 and ametallic radius of 136.3 pm. the metal crytsallizes in…

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Q: The most common ions for silver, zinc, and scandium areAg+, Zn2+, and Sc3+. Locate the boxes in…

A: Location of ions has to be given.

Q: What is the chemical formula for iron(II) phosphid

A: A compound's chemical formula is a symbolic representation of its chemical makeup. Chemical…

Q: 1. Which of isotope oxygen (0) is the most abundant? What is its percent abundance? 2. How could you…

A: 1) O816 is the most abundant isotope of oxygen according to the given data with  a 99.7599…

Q: strontium (Hg2)3(PO3)2 bicarbonate manganese PtC204 (1I) nitride barium SbCl5 peroxide

A: As per rules /, we can attempt only 3 subparts.

Q: Determine the percent by mass platinum in cisplatin, PtCl2(NH3)2. O a. 58.5% O b.0.650% C. 65.0% O…

A: Given,  Cisplatin, PtCl2(NH3)2

Q: What is the percentage of metal in the compound Iron (III) Chromate (Fe2(CrO4)3)? А. 24.30% В.…

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Q: Give the chemical name or formula, whichever applies, of the following compounds. 1. Bao 2. AuCl3 3.…

A: A chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions.

Q: Lithium metal has an atomic radius of 152 pm. The molar mass of lithium is 6.94 g/mol and Avogadro`s…

A: Atomic radius = 152 pm = 152 × 10-10 cm  Avadagro constant = 6.022 × 1023  per mol  Molar mass of…

Q: Calculate the percentege mass in KMnO4. [Relative Atomic masses of: K= 39, Mn= 55 and O= 16]

A: Consider the given relative mass of the atoms present in KMnO4 is as follows; K = 39, Mn = 55 and O…

Q: iron (II) phosphate Ca3(PO)2->Fe,N +COCNJ2+FePo4 1. How many grams of calcium phosphate must be used…

A: The stepwise solution is as follows -

Q: (1) (2) Br Br (3)

A: The systematic name of Organic compounds based on IUPAC nomenclature system. There are different…

Q: Which of the following name-chemical formula combination is inco 1. Magnesium permanganate…

A: The Question is based on the concept of naming of compounds. We have to correctly identify which of…

Q: Polyisobutylene is a synthetic elastomer, or rubber. The corresponding monomer is isobutylene, which…

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Q: Give the ions present and their relative numbers in iron(II) phosphate. Select one: a. 3 Fe2+ and 2…

A: We have to predict number of ions in iron(II) phosphate.

Q: Ca2* *4 Na* Fe NH NO3 so,4 Cl S2 PO,4 -3 CO, Cr,0,7 OH

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: 5. Predict the chemical formula for the ionic compound formed by the elements Ag and N. 6. Write the…

A: Answers are attached in the images below.

Q: Calculate the weight percent of Cr in an alloy that contains 60 g of chromium, 55 g of nickel and…

A: The alloy contains 60g Cr                               55g Ni                                1.45Kg…

Q: SnF2 is used as a tool against dental caries, because when interacting with the hydroxyapatite…

A: Mass content of Tin in Sn2(PO4)OH = 67.95 %

Q: What are the Ions present in: 1) (NH4)2CO3 2) Zn(OH)2 3)Ba(NO3)2 4) PbS 5) Zn2(PO4)3 6) Hg2I2 7)…

A: We have to predict the ions present  in the following  ionic compounds  1) (NH4)2CO3 2) Zn(OH)2…

Q: 102 Many paint pigments contain transition metal com- pounds. Name the compounds in these pigments…

A: (a) CdS- Cadmium(II) sulphide-          (X-2=0)(X=+2) (b) Cr2O3- Chromium(III) oxide…

Q: ind number of aluminum (Al) atoms in a peace of pure (Al) block with imensions equal to 2.0 cm x 2.0…

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Q: Aspartame is the artificial sweetener sold as a Nutrasweet and Equal sweetener over the counter. Its…

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Q: Which one of the following has the smallest mass percent of F in the compound? A) SF₆ B) NaF…

A: The mass percentage of fluorine is 78.04 %.

Q: Calculate the dimensions in (mm) of a cube containing 1 mole of solid phosphor Given: Density of Pe…

A: Molar Mass of P = 30.97 g/mol Density of P = 1.82 g/cm3  Volume of cube = (side)3  Side of cube = ?

Q: 2.43 g magnesium was completely burnt in oxygen to give magnesium oxide. 2 Mg(s) + O2(g) → 2 MgO(s)…

A: Answer: This question is based on the stoichiometric calculation from the chemical equation.

Q: A metal ion with 2+ charge has 23 electrons and forms a compound with a halogen ion that contains 17…

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Q: A 67.2 gg sample of a gold and palladium alloy contains 2.68×1023 atoms. What is the mass percentage…

A: Mass percent of an element is the ratio of its mass  in the compound to the total mass of the…

Q: 7. A 25.75 g sample of a nitrogen oxide was found to contain 6.68 g nitrogen and the rest oxygen.…

A: Problem 7 % Weight of an element in a compound = 100 x Weight of element/Weight of compound Weight…

Q: Calculate the percent of hydrogen present in H2O A. 45.7 B. 88.8 C. 24.3 D. 11.2 E. 5.10

A: The Question is about to calculate the Percent of Hydrogen in Water.

Q: 21) Calculate the mass percent of nitrogen, N%, of ammonium carbonate, (NH),CO, A) 49.95% B) 12.50%…

A: Calculate mass % of N in ammonium carbonate ?

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".