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To find the identity of the atom, use the known unified atomic mass unit, u, which is equal to 1 12th of the mass of a single carbon-12 atom in the neutral state

From the balanced equation 46 grams of Nareacts with 71 grams of Cl_2 gas to form 117 grams of NaCl (numbers obtained from the molar mass/atomic mass) The law of conservation of mass says that the …

Only two significant digits are used because, in fact, the given atomic weight of sulfur is correct only to that accuracy (four significant digits would be #32.06#). So we have #0.78# mole of sulfur dioxide …

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Find the molar mass of #MgSO_4# which relative atomic masses of elements constituting the compound is obtainable in the periodic table. #=120" g/mol"# Given the concentration of the solution, and the …

May 15, 2017 · In your case, you would have zinc-66, a nuclide of zinc that has a mass number equal to 66. Now, an atom's mass number, A, tells you the number of protons, which is given by the atomic …

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Magnesium chloride has an atomic mass of 94 amu. What is the mass of one mole of magnesium chloride? How do scientists use atomic spectra? How much mass is in a 3.25-mole sample of …

Explanation: When multiplying fractions, multiply the numerators and denominators together.