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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control?
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Why sncl2 is solid while sncl4 is liquid at room temprature explain it in easy way
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Which of the following is a characteristic of a scientific theory? A. it explains how nature works....
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