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How many chloride ions are in 0.28 mol MgCl2? Have you bought a WMF appliance? Determine the values of a,b and c at which parabola y=ax^2+bx+c passing through point (1,1) has a tangent line with slope 7, at point 3,3 .? How many moles are in a mass of 5.6g of NaBrO3? How is the "best answer" percentage figured out on here.?