What mass, in grams, of NaCl needs to be added to 1.6 kg of water in order to create a solution with a freezing point of -5.6 °C? The freezing point depression constant of water is 1.86 ºC/m.
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The sum of the radius and the height of a cylinder is 12 cm and the total surface area of the cylinder is
377.14 cm. Find the height and the volume of the cylinder.
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