Chemistry, 19.10.2021 14:00 shakira11harvey6
A binary compound between an unknown element E and hydrogen contains 91.27% E and 8.73% H by mass. If the formula of the compound is E3H8, calculate the atomic mass of E.
Answers: 3
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What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?
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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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A binary compound between an unknown element E and hydrogen contains 91.27% E and 8.73% H by mass. I...
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