An iron atom has a mass of 9.27x10^−23g and a cooking pot has a mass of 0.500kg. What is the mass of 1 mole of iron atoms? How many moles of iron atoms have a mass equal to the mass of a cooking pot?

Q: Two elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R…

A: Given: First Compound = 14.0 g R + 3.00 g Q  Second Compound =  7.00 g R + 4.50 g Q = RQ

Q: Consider two compounds. Compound A contains 15.7 g of sulfur and 18.6 of fluorine. Compound B…

A: Mass of fluorine in compound A = 18.6 g Mass of sulfur in compound A = 15.7 g Mass ratio of fluorine…

Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…

A: The elements which have the same atomic number but a different mass number are called isotopes.  For…

Q: You are working in the laboratory preparing sodium chloride. Consider the following results for…

A: The results has to be explained on basis of law of conservation of mass and definite composition.

Q: Gallium has two naturally occurring isotopes, 69Ga (isotopic mass = 68.9256 amu, abundance = 60.11%)…

A: Isotopes are atoms of same elements which have same atomic number but different mass number. There…

Q: The atomic masses of 203Tl and 205Tl are 202.972320 and 204.974401 amu, respectively. Calculate the…

A: Let the isotope of Tl203 be x. Let the isotope of Tl205 be (1-x). Set up the equation.…

Q: A certain element XX has four isotopes. 0.5600% of XX has a mass of 83.91343 amuamu. 9.860% of XX…

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Q: An iron-containing compound is 20.1% Fe, 11.5% S, 63.3% O, and 5.1% H. What is the empirical formula…

A: For calculating Empirical formula for compound we follow these steps:(i) calculate %Atomic mass for…

Q: You are working in the laboratory preparing sodium chloride. Consider the following results for…

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Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: The law of constant composition or law of definite proportions or law of definite composition states…

Q: The two isotopes of potassium with significant abundance in nature are ³⁹K (isotopic mass 38.9637…

A: NOTE : The sum of abundance of the two isotopes should be 100 %. And since the abundance values do…

Q: Iron exists in nature as a mixture of predominantly three isotopes: 26Fe (53.94 amu), 56 neFe (55.93…

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Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: Which of these statements is FALSE about the mole? O a. 1 mole is equal to 6.022 x 10 23…

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

Q: What is the mass of the iron present in 1.04x10^23 units of Fe2O3? (Fe=55.845 O= 16.00)

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Q: Chorine has 2 isotopes, 35Cl and 37Cl. A fellow student calculated the natural abundances of each…

A: Answer - According to the question - Given values are - Chorine has 2 isotopes,1 = 35Cl…

Q: In an experiment, the reaction of 100.0 g of iodine produced 144.9 g of a compound formed from…

A: It is an example of law of conservation of mass

Q: A 6.55 g sample of calcium sulfide was decomposed into its constituent elements, producing 3.64 g of…

A: According to the law of constant composition, for any particular chemical compound, all samples of…

Q: Assuming that these ions are ^{53}Fe^{2+}53Fe2+ , how many protons and neutrons are present in a…

A: The given chemical species is 53Fe2+.

Q: Consider a rectangular piece of printer paper that is 8.5" x 11" (" denotes inches). In order to…

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Q: On another planet, the isotopes of titanium have the given natural abundances. Abundance Mass (u)…

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Q: In hydrogen oxide (H20), the exact value of the % composition of the Hydrogen (H) is ________.…

A: Mass % of an element:

Q: 1.The formula mass of the compound between gallium (III) and oxalate ions in g/mol is: Group of…

A: The formula mass of a compound is the total average atomic masses of each atom which is showed in…

Q: Calculate the % Composition of the elements that make up Sodium Nitrate. % Na , % N, % O a)…

A: The formula of sodium nitrate = NaNO3 The mass of NaNO3= 85g/mol.

Q: Q6. How many protons, neutrons, and electrons respectively are A. 197, 79, 118 C. 79, 118, 118 197…

A: Atomic number = 79 Mass number = 197 Therefore , number of protons = 79

Q: Calculate the mass (in grams) of a tungsten atom. A. 1.107 x 10 - 26 B. 1.661 x 10 - 24 g C. 3.054 x…

A: Molar mass of tungsten = 183.84g/mol

Q: Antimony, Sb (atomic mass 121.760 amu) has two stable isotopes: 121Sb (atomic mass 120.904 amu) and…

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Q: hydrated salt MSO3⋅4H2O, the mass percentage of H2O is 44.71%. Identify the element M in the salt?…

A: Consider a solution consisting of A and B Then, percent of A = (Mass of A x 100)/ Mass of (A + B)

Q: sample of aluminum contains 2.91 × 1022 atoms of aluminum. What is the mass of this sample?  [Molar…

A: Given that: Molecules of Al = 2.91×1022 atoms  Molar mass of Al = 26.98 g/mol  1 mol = 6.023×1023…

Q: The smallest unit of charge is -1.6 x 10-19 C, which is the charge in coulombs of a single electron.…

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Q: . Zinc has 2 isotopes and has an atomic mass of 65.39. one of the isotopes is 64.23amu (26.0%). what…

A: As per our guidelines , we can only solve first question. Please resubmit other questions as next…

Q: The atomic mass of titanium (Z = 22) is 47.87 amu. How many atoms are present in 45.5 g of titanium?…

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: (a) Atoms are very small compared to objects on the macroscopic scale. The radius of a nickel atom…

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Q: Mass spectrometry is more often applied to moleculesthan to atoms. We will see in Chapter 3 that the…

A: When we study the interaction of electromagnetic radiation with matter then this study is known as…

Q: Phosphorus-31 forms an ion expressed as 31P3-.  What is the required change in the number of…

A: Concept introduction: Atom is smallest indivisible particles. Atom has subatomic particles,…

Q: The average mass of a boron atom is 10.81. You perform an experiment using mass spectrometry and…

A: Two questions each in nuclear chemistry and inorganic chemistry which are to be answered.

Q: Bromine has two isotopes, Br-79 and Br-81. Their abundances are 49% and 51%, respectively. Chlorine…

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Q: 5. Which of the following is a species with 12 protons and 10 electrons? a) Ne?* b) Ti2* c) Mg? d)…

A: Number of proton = atomic number Number of electrons =( atomic number) +- charges

Q: Two gaseous A and B are common hydrocarbons. Chemical analyses demonstrate that in one sample of A,…

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Q: you have 13.02 x1023 atoms of nitrogen, what would you expect its mass to be?

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Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46T¡…

A: The atomic mass and abundance of the isotopes of Ti given are,

Q: 1)Describe the PHYSICAL PROPERTIES of the following substances? 2)Specifically, what type of…

A: Physical properties of following substances. 1. Halogen : Halogens are non metals. Fluorine and…

Q: On another planet, the isotopes of titanium have the given natural abundances. Mass (u) Isotope 46…

A: Average atomic mass = m1f1 + m2f2 + m3f3

Q: 2.10. Thallium has two naturally occurring isotopes, 203TI and 205TI and has an average atomic mass…

A: Note : As per our company guidelines  we can answer 1st question .Kindly repost the question.

Q: A hypothetical element, M, has four stable isotopes with the masses shown below. 109M = 108.9842…

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Q: Which of the following compounds containing H (mass =1), C (mass =12), and/or O (mass =16) has the…

A: Number of moles = mass/molar mass  Number of moles = number of molecules/avagadro's number  So,…

Q: Ethyl mercaptan is an odorous substance added to natural gas to make leaks easily detectable. A…

A: Given : Total mass of ethyl mercaptan sample = 3.17 g And mass of sulfur in ethyl mercaptan sample =…

Q: alculate (to the nearest 0.1 u) the formula mass of these compounds. (a) rubidium nitrate, RbNO3…

A: Following are the formula mass of the given compounds. Since it is a type of multiple questions with…

Q: Find the mass of 2.45 X 1023 molecules of Ca(OH)2? Use: Ca = 42.0g, H = 1.25g and O = 15.7g as…

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