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Chemistry, 22.06.2019 18:50, christhegreat1
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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Chemistry, 22.06.2019 23:00, soccerplayer17
What is the number of neutrons in an atom with atomic mass of 35
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True or false: the atoms that make up the element oxygen are exactly the same as the atoms that mak...
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