zirconium16
29.03.2021 •
Chemistry
Can someone Help me plz
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Ответ:
0.0226
Explanation:
Given data:
Mass of water = 0.406 g
Molar mass of water = 18.0 g/mol
Number of moles = ?
Solution:
Number of moles = mass/ molar mass
Number of moles = 0.406 g / 18.0 g/mol
Number of moles = 0.0226 mol
The answer with out units and three significant figures is 0.0226. In this value the significant figures are 226.