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1. A sample of dibromodiiodosilane, SiBr2I2, contains 0.0634 mol of the compound. What is the mass...

1. A sample of dibromodiiodosilane, SiBr2I2, contains 0.0634 mol of the compound. What is the mass of the sample, in grams?

2. Vanadium (V) is element 23 on the periodic table. A sample contains 8.30×1022 atoms of V. Calculate the amount of V.
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