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PLEASE HELP! For which values of a, b, c is (a, b, c) ∈ span{(1, 2, −1),(1, −1, 2),(1, 0, 1)}? What is the period of y=sin(ax)? If 8^n = 16^4 then The monomer of nylon is? Chemistry help please! Calculate the molar solubility of Fe(OH)2 in a buffer solution. Ksp = 7.9 x 10-16. ph: 7.8
ph 11.4
ph 13.9?