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: 1 “Isobars” are isotopes of different elements having the same mass number. Write the isotopic…

A: The two isobars given are  1) K-40 2) Ca-40

Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 120.37…

A: 4. Given that,  An element X has two isotopes such as 120X and 122X. Atomic mass of 120X, MX120 =…

Q: Calculate the relative atomic mass (RAM) of an element, X, whose mass spectrometer's tracc shows…

A: Relative atomic mass is the average of masses of all isotopes of element considering their…

Q: Find the no. Of Fe+2 ion in 10 mole of Fe0.930 .

A: Since it is not mentioned how Fe is converting to Fe2+, I'm assuming that all of Fe is converting to…

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: Polymer poly ethyl cyanoacrylate, also known as "Super Glue", has the following composition: 57.59%…

A: Percentage composition of carbon = 57.59 % Atomic mass of carbon = 12.01 amu Molar ratio of carbon =…

Q: GLIO 3) The ratio of isotopic abundance of elements can vary throughout the solar system (Table 1).…

A: Atomic mass of any substance is given by the abundance average mass of its available isotopes.

Q: 244 Pu P. → 84 94 21 9. 210 Po 84

A: Total atomic no in reactant side  84×2=168 So it should be balance in product side  168= 94+X X=74…

Q: Drag either anX or a to indicate if the model is an accurate representation of the nucleus of the…

A: Zinc is a transition element from group 12 and period 4 of the periodic table. It has atomic number…

Q: Use the isotope data to calculate the relative atomic mass of Si, to 8 s.f. = __________________…

A:

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: 4. Calculate the effective mass of C¹20 and C¹³0.

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

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

A:

Q: What is the atomic mass of C₂H10ON2? O 64.108amu O 73.075amu 78.115amu O 66.104amu

A: Given, Atomic mass of C2H10ON2 = ? Note: Atomic mass of C = 12.011 amu Atomic mass of H = 1.00784…

Q: M is a Group I metal. 0.5 mol of the metal sulphate weighs 71.05 g. What is the relative atomic mass…

A: The weight in gram of the number of atoms of an element present in 12.00 g of carbon-12 is relative…

Q: What do the peaks of the mass spec of C6H10 show?

A: The structure of the unknown molecules can be obtained by analyzing their spectroscopical results…

Q: Which of the Ksp expressions are correctly written? Zinc phosphate, Ksp = [(Zn²*JIPO43"] Calcium…

A: Correct choice is ; Option 2) Calcium fluoride

Q: (3b-201) Balance the equation below, which uses imaginary elements (they still follow the usual…

A: The given reaction is : MTy3 + Gr2WaX4 → GrTy + M2(WaX4)3

Q: B15.3 The graph shown represents the relation between charge of accumulated copper ions Q and the…

A: Introduction: According to Faraday's first law of electrolysis, the quantity of ions deposited at…

Q: 100 43 80- 60어 27 29 28 40 41 42 39 20 15 58 0- 10 20 30 40 50 60 Mass/charge (mle) Relative…

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

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Titanium is an element which has symbol Ti and atomic number 22. Its atomic weight is 47.867 amu. It…

Q: Predict the chemical formula for the ionic compound formed by the elements Sr and Cl. 3. Predict the…

A:

Q: How many grams of magnesium are required to produce 4.380 kg of Siı? (At mass: Mg-24.31; Si-28.09)…

A: Recall the given reaction,  SiCl4  +  2 Mg                   Si  +  2 MgCl2   4.380 Kg of Si is…

Q: Calculate the mass percent of 2.50 moles of NaOH in 0.900L of water at 25 °C. (The density of water…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A: Given : Isotope Abundance Mass (u) 46Ti 75.500% 45.95263 48Ti 12.500% 47.94795 50Ti…

Q: Mass number 63 29CU+2 15P-3 31 Cu: 34; P: 16 OA. Cu: 65; P: 28 В. Cu: 61; P: 34 OC. Cu: 31; P: 12 D.…

A: So we’ve to calculate the total number of electron present in the above mentioned ions.

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: Mercury has six isotopes with significant natural abundance: 198Hg (10.0%), 199Hg (16.9%), 200Hg…

A: Isotopes are elements with same atomic number but different mass numbers. Almost all elements have…

Q: 1. Nu OH RAH 2H*, H,0´ RH 2. H*, H,0 RT Nu Nu 00 → R^H Nu

A: This is the nucleophilic addition reaction of aldehyde

Q: 16) What's the atomic number of sulfur-34 ? A) 34 B) 18 C) 16 17) In the formula of hydroxylapatite…

A: According to our guidelines we can answer only three subparts

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 average atomic mass of the element iron (Fe) using the following data: Isotope Iron-54…

A:

Q: Determine the number of atoms of each element in the following molecules. Write the element symbol…

A: The molar mass of the given compound is as follows: K2CO3

Q: 2- Which of the following statements are correct? I. There are less than 130 different compounds in…

A: In nature there are huge no of compounds . Each element has a particular no of protons . This is…

Q: For the compound (Ca(OH)2) or calcium hydroxide, find the per cent composition of the element…

A: Given compound is Calcium hydroxide Ca(OH)2 Atomic weight of  Ca = 40 g/mol O = 16 g/mol H = 1g/mol…

Q: Consider Cr-54, Fe-54, Fe-58 and Ni-58 , which of this are isobars and which are isotopes

A:

Q: PQ-3. What is the atom economy (ae%) for this reaction? (mass of Cl: 35.5 amu; mass of Na: 23 amu…

A:

Q: 43 100 80 60 27 29 40 28 41 42 39 20 58 15 10 20 30 40 50 60 Mass/charge (mle) Relative abundance…

A: Mass spectrometry is the most accurate method for determining the molecular mass of the compound and…

Q: How many atoms are in 45.6 grams of Li, 0.230 grams of Ti and 11.5 grams of Au?

A: Given :-  Mass of Li = 45.6 g  Mass of Ti = 0.230 g  Mass of Au = 11.5 g  To be calculated :-…

Q: Determine the mass percentage of F in C6H11OF3. A. 36.50% B. 37.33% C. 39.54% D. 40.67% E. none of…

A: Mass of one mole of Carbon, Hydrogen, Oxygen, and Fluorine are calculated as follows,

Q: Find the number of  Fe+2 ion in 10 mole of Fe0.93 O

A: The compound has formula Fe0.93O Hence form the above formula we can say that 1 mole of compound has…

Q: What arethe masspercents of elements in glucose, C6H1206 ? Select one: O a.C = 25.00 %, H = 50.00 %,…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A:

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: Chlorine has two naturally occuring isotopes, CI-35 (approximately 75%) and CI-37 (approximately…

A: Mass spectrometry is an important tool for the determination of the molecular mass of the compound…

Q: Chemistry Common Isotopes and Mass spectrum of element Mo are given below Most common isotopes:…

A: Average atomic mass-96

Q: 19 Which of the following statements is correct about one mole of ethane gas, C2H4 and one mole of…

A: