They have seven electrons in their valence shell, so halogens are very reactive.
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Answer:
I think the answer is A.
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To determine the mass of sucrose from a given volume of solution, we need to convert the volume into mass by using the density of the solution. We calculate as follows:
mass solution = 3.50 ( 1118 ) = 3913 g
mass of sucrose = 3913 g solution ( .485 g sucrose / g solution ) = 1897.805 g sucrose is present in the solution.
The answer would be C. because if you burn coal can you get the same piece of coal back?
