- How many grams of sodium chloride are needed to make a 0.45 molar solution?

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Could someone explain why 2NO (g) + Br2 (g) === 2NOBr (g) is a redox? (The system is in equilibrium ===) Thank you!? Find an nth-degree polynomial function with real coefficients satisfying the given conditions. n=4; -1,4 and 3+3i are zeros; f(1)=-156? Determine whether the function ƒ(x) = –x^40 + 1 is even, odd, or neither.? Integrate x^2(9-x^2)^(3/2) I have to set up the integral w/trig subsitution to 729 int sin^2 θ cos^4 θ dθ. Many thanks for direction!? What impacts the magnitude of difference in chemical shift between diastereotopic hydrogens?

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