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If you are 57.5 grams of HCl and NaOH in excess, calculate the theoretical yield of NaCl in grams? Please provide a detail proof of correctness and time analysis.? How much force is needed to accelerate 1400 kiligram car 2 meters per second? Is NaOH covalent or ionic? I do not understand where the negative in -sqrt x ^ 6 comes from?