dedelala638
dedelala638 dedelala638
  • 19-09-2020
  • Chemistry
contestada

what would be the mass of 9.03 x 1021 molecules of hydrobromic acid (HBr)?

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tyrannasorousLex
tyrannasorousLex tyrannasorousLex
  • 19-09-2020
9.03 * 10^21 molecules HBr *HBr 1 mol divided by 6.02 * 10 ^23 molecules HBr
* 1 mol HBr = 1.21 g HBr
so the mass would also be the molar mass which is 1.21 g/mol
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