An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a relative abundance of 37.4 %%, and isotope 2 has a mass of 186.9558 amuamu. Find the atomic mass of this element. Express your answer using four significant figures.

Q: Magnesium (average atomic mass = 24. 305 amu) consists of three isotopes with masses 23.9850 amu,…

A: Given: average atomic mass = 24. 305 amu three isotopes with masses 23.9850 amu, 24.9858 amu, and…

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: A fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

A:

Q: The element antimony exists in nature as two isotopes: 121Sb has a mass of 120.9038 u and 123Sb has…

A: The average atomic mass of Sb = 121.76 u.Mass of 121Sb = 120.9038 u.Mass of 123Sb = 122.9042 u.Let…

Q: You have a compound with the formula X₂Y. X is an isotope with a mass of 20g/mol and Y is an isotope…

A: Mass of X = 20 g/mol Mass of Y = 43 g/mol

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: An element has the following natural abundances and isotopic masses: 90.92% abundance with 19.99…

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Q: Naturally occurring Europium (Eu) consists of two isotopes with a mass of 151amu and 153amu. If the…

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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: The three most common isotopes of potassium are 39K, 4⁰0K and 41K. Their natural abundances are…

A: Answer:The average atomic mass of an element is the average mass of the all types of atoms present…

Q: Boron consists of two isotopes. The reported mass of boron is the weighted average of these two…

A: Boron has two isotopes which are B-10 and B-11. It is given that the abundance of B-11 is x and for…

Q: Magnesium (average atomic mass = 24.305 amu) consists of three isotopes with masses 23.9850 amu,…

A: This question is answered by using the simple concept of calculation abundance of the isotopes using…

Q: Nitrogen has two isotopes, N-14 and N-15. The isotopic masses of these isotopes are 14.0031 amu and…

A: Let consider x and y be the abundance of N-14 and N-15 isotopes of nitrogen respectively. Then we…

Q: The element X has two naturally occurring isotopes. The masses (amu) and % abundances of the…

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Q: The atomic masses of chlorine-35 (75.780%) and chlorine-37 (24.220%) are 34.969 amu and 36.966 amu,…

A: To calculate : average atomic mass of Cl

Q: 2. The atomic masses of 35Cl (75.53%) and 37Cl (24.47%) are 34.968 amu and 36.956 amu, respectively.…

A: We'll answer the first question since the exact one wasn't specified. Please submit a new question…

Q: Antimony has two naturally occurring isotopes: Sb−121 with a mass of 120.904 amu and a natural…

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Q: À fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

A: Average atomic mass can be calculated by the following formula. Average mass=∑mass of…

Q: Unknown element, Element X, exists in nature as two isotopes: ^{351}351 X has a mass of 350.9196 u…

A: Average atomic mass=∑i=1n (mass of ith isotope)(%abundance of ith isotope)100 where 'i'…

Q: The atomic masses of 10B and 11B are 10.0129 amu and 11.0093 amu, respectively. Calculate the…

A: The atomic masses of B10 and B11 are 10.0129 and 11.0093 respectivelyLet their natural abundances be…

Q: 10. Copper has two naturally occurring isotopes, 6Cu (isotopic mass = 62.9296 amu) and 6Cu (isotopic…

A: Atoms of the same element having same atomic number but different mass number are called as…

Q: A hypothetical element exists as two isotopes: I = 85.50 amu and II = 88.70 amu. If the percent…

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Q: A generic element, G, is composed of two isotopes, ¹32G and 128G. 132G has a natural abundance of…

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Q: At some point in the future, nuclear chemists have synthesized two stable isotopes of bohrium.…

A: Since average mass of the element is given so we can easily calculate the fraction of each isotope…

Q: Silicon (average atomic mass=28.0855amu) has three isotopes. Their masses are 27.9769amu,…

A: Given mass of silicon isotope = 28.0855 amu % abundance of highest isotope i.e  29.9738 amu = 2.96 %…

Q: Chromium has an atomic mass of 51.9961 u and consists of four isotopes, 50 Cr, 2Cr, 53Cr, and Cr.…

A: The question is based on the concept of elemental abundance. we have to calculate atomic mass of…

Q: An element has the following natural abundances and isotopic masses: 78.99% abundance with 23.985…

A:

Q: Boron has only two naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass…

A: Two or more distinct chemical substances of one chemical element containing equal numeral of protons…

Q: Calculate the total mass of the protons and electrons in fluorine-19. Use 1.007825 amu as the mass…

A: Fluorine-19 has 9 protons and 9 electrons. Hydrogen-1 has 1 proton and 1 electron and its total mass…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.