1.

Calculate the mass of 2.5 mol of water atomic mass h=1 o=16

Answer» ONG>Answer:

Given DATA:

MASS of Water = ?

no. of MOLES = 0.5

Molar mass of H₂O = 2(1) + 16 = 18 g/mol

Formula to be Used:

No. of moles = Given Mass/Molar mass

Solution:

No. of moles = Mass of Water/Molar mass

0.5 = Mass of Water/18

Mass of Water = 0.5*18

Mass of Water = 9g

Result:

The mass of 0.5 mole of water is 9g.



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