Determine the mass of nacl which is necessary to add
Determine the mass of NaCl which is necessary to add to 200ml of water (which is having the density of =1.0 g/mL) to make a 1 molality solution.
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Length is twice the width. Material for base cost $10 per square meter and its sides price $6 per square meter. State cost as the function of containers width.
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