Question

what is the molecular mass of Na2Co3. H2o​

Answer 1

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Answer 2

The molecular mass of Na₂CO₃.H₂O is 124 g/mol.

Step by step explanation:

• To calculate molecular mass of any compound we need to remember the molar mass of every single atom which involved in compound. In this given compound we have to find molecular mass of Na₂CO₃.H₂O.

• In the compound Na₂CO₃.H₂O, we have atoms Na (sodium), C (carbon), O (oxygen) and H (Hydrogen). we have to keep the molar mass of all these atoms in mind.

• Molar masses of atoms in given compound,

       Na (sodium) $= 23 g/mol$

       C (carbon) $= 12g/mol$

       O (oxygen) $= 16 g/mol$

       H (Hydrogen) $= 1 g/mol$

• Calculation of Molecular mass of Na₂CO₃.H₂O,

Molecular mass of Na₂CO₃.H₂O = 2(molar mass of Na) + (molar mass of C) + 4(molar mass of O) + 2(molar mass of Hydrogen)

                                            $=2*23+12+4*16+2*1$

                                            $= 46+12+64+2$

                                            $= 124$

Molecular mass of Na₂CO₃.H₂O is 124 g/mol.