How many neutrons are in 37.0 ug ( ug= 10^-6 g) of 14 6 C?

Q: What is the mass of 4.50 * 10 ^22 Cu atoms?

A: Number of moles of Cu is determined as follows,

Q: 2. Nitrogen is made up of two isotopes, N-14 and N-15. Given nitrogen's atomic weight of 14.007,…

A: Given,  Average atomic weight of N = 14.007  Mass of N-14 isotope = 14.003074 g/mole  Mass of N-15…

Q: An unknown element is a mixture of isotopes ¹²⁰X and ¹²²X. The average atomic mass of X is 120.48…

A: Given:  average atomic mass of X = 120.48 amu. isotopes ¹²⁰X and ¹²²X To find: percent abundance of…

Q: Silicon has three stable isc mu). The ratio of the abund maturally occurring sample- erage atomic…

A: The objective of the question is to determine the average atomic mass that emerges when all the…

Q: The natural abundance of the three stable isotopes are 90.92% isotope A (19.9924 amu), 0.3104%…

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Q: Shown above is a partial table of the isotopic masses and natural abundances of gallium and…

A: The objective of this question is to determine the 7:2 peaks using a mass spectrometer and analyze…

Q: Magnesium exists in nature as three stable isotopes. Suppose you determine that 9.87 moles of…

A: Given - Exact masses of isotopes of Mg 25Mg = 24.9858 amu 24Mg= 23.9850 amu. 26Mg = 25.9826 amu. To…

Q: Silver has an atomic mass of 107.868 amu. The Ag-109 isotope (108.905 amu) is 48.16%. What is the…

A: Isotopes are the elements with different atomic mass (mass number) and same atomic number. Here…

Q: Boron (B; Z = 5) has two naturally occurring isotopes. Find the percent abundances of 10B and 11B…

A: The term isotopes refer to the atoms of a particular element which have same atomic number or same…

Q: The three isotopes of a naturally occurring mystery element X are 39X, 38.963707 amu; 40X, 39.963999…

A: Isotopemasspercent of natural abundance39X38.963707 amu93.2581 %40X39.963999 amu[100 - (93.2581 +…

Q: Imagine that you have discovered several stable isotopes of a new element, which you call element X.…

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Q: An element has three isotopes, A, B, and C. Atomic masses and percent abundances of the three…

A: The concept is to calculate the average atomic mass of an element.The elements having same atomic…

Q: There are two naturally occurring isotopes of europium, 151Eu(151.0 amu) and 153Eu(153.0 amu). If…

A: Given information:Two isotopes of europium, 151Eu (151.0 amu) and 153Eu (153.0 amu)Atomic mass of Eu…

Q: The mass of one aluminum atom is 4.48x10^-23 grams. How many aluminum atoms are there in 9.45x10^4…

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Q: Calculate the mass (in kg) of 4.87 x 1025 atoms of Zn. O 8.09 kg 1.24 kg 5.29 kg 1.89 kg O 1.09 kg

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Q: What is the mass of (2.66x10^21) platinum atoms?

A: Given, Number of Platinum atoms = 2.66×1021

Q: How many helium (He) atoms are there in (3.74x10^2) g of helium?

A: A number of an atom of an element in the compound = number of moles of the element in compound x…

Q: An unknown element is a mixture of isotopes 151X (atomic mass= 150.99 amu) and 153X (atomic mass =…

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Q: 6) Complete the following table by calculating the atomic mass. Isotope Mass of Atom (u) ¹H 2H 12C…

A: we have to calculate the atomic mass of the given elements using the percentage abundance and mass…