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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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In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me
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Chemistry, 23.06.2019 19:30
How has the scientific model of the atom changed over the centuries, and what new evidence led to the various changes in the model?
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What is the frequency of a radio wave with a wavelength of 3 m? (hint: mhz
stands for megahertz or...
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