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1- What is the freezing point of pure water (in degrees Celsius)? 2- he molar mass...

1- What is the freezing point of pure water (in degrees Celsius)?

2-

he molar mass (to 3 significant figures) of magnesium chloride hexahydrate, MgCl2·6H2O is

---------------- g/mol.

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Answer #1

Ans(1) Freezing point of water is 0 degree celsius

Ans(2) calculating molar mass of MgCl2.6H2O

molar mass = (molar mass of Mg) +(2*molar mass of Cl)+(6* molar mass of H2O)

=(24.305)+(2*35.453)+(6*18.015)

=24.305+70.906+108.09

=203.30 g/mol =203 g/mol

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