AaronMicrosoft15
03.08.2019 •
Chemistry
Why do sandy beaches form at many sea shores
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Ответ:
Ответ:
Waves pounding pebbles into smaller and smaller pieces
Explanation:
Ответ:
Given
mass of solute (m) =20.5g
mass of solvent( ms) =155g
solution
malality =mX1000/mrxms
M=20.5x1000/62x155
M=2.1332