- What is the strength of conc HCl ?

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Solve the following wave equation with a mixed boundary condition? How many grams of Fe2O3 are formed when 63.30 g of Fe reacts completely with oxygen?
Fe+O2→Fe2O3? Write the product as a sum 4sin(44r)cos(24r)? Replace the polar curves by equivalent Cartesian equations.
(a) r = 4tan(θ)sec(θ)
(b) r = csc(θ)e^rcos(θ)? How many moles of Ba(NO3)2 is required to form 3.14 grams of BaSO4.?

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