1.

Calculate the Molecular mass of CH3OH (Mass of C= 12u, 0=I6u and IPlu)

Answer»

Atomic mass ofC (carbon)is12g/mol,H (hydrogen)is1g/molandO (Oxygen)is16g/mol

So, molecular mass of CH3OH or CH4O is

= 1 × mass of C + 4 × mass of H + 1 × Mass of O

= (1 × 12 + 4 × 1 + 1 × 16) g/mol

= (12 + 4 + 16) g/mol

=32g/mol

tq


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