Find identity and the atomic mass of the other isotope
Gallium has an average atomic mass of 69.7 amu. In a typical sample, 60.4% of Ga exists as Ga-69 (68.9257 amu). What is the identity and the atomic mass of the other isotope?
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Write the overall balanced equation of potassium permanganate with sodium oxalate in acidic solution using the half reaction method. Indicate the oxidation states for each species as well as the oxidizing agent and reducing agent.
The element bromine at room temperature is a liquid with a density of 3.12g/ml calculate the mass of 125 ml of Bromine. What volume does 85.0 g of bromine occupy?
The solubility constant of TlBr is Ksp = 3.6 × 10^-6 and the solubility constant of AgBr is Ksp = 5.0 × 10^-13. Determine the range of NaBr volumes over which each solid precipitates.
A sample of oxygen has a volume of 4.50 liters at 300 K and 800.0 mmHg, how many oxygen molecules does the sample contain?
Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively
Tris (pentaflourophenyl)borane, commonly known as BARF, is a polymerization initiator used in the manufacture of plastics. It is composed entirely of C, F, and B; it is 42.23% C by mass and 55.66% F by mass. What is the empirical formula of BARF?
Complete and balance the following equation: BrO3^-(aq)+N2H4(aq) -> Br2(l)+N2(g) (acidic solution) And identify the oxidizing and reducing agents from the resulting balanced equation.
The amount of energy released when an electron adds to a neutral atom to give a negative ion is called the atom's electron affinity
The generic metal hydroxide M(OH)2 has Ksp = 1.05×10?18. (NOTE: In this particular problem, because of the magnitude of the Ksp and the stoichiometry of the compound, the contribution of OH- from water can be ignored
What concentration should you make your stock solution of vincristine in order to make this 5uL addition?
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