Question

Calculate the molecular weight of the following
Mg(HCO3)2
C12H22O11
K2Cr2O7​

Answer 1

Answer:

12+1+6+8+3×2=60

Explanation:

6+12+22+8+11=59

Answer 2

Answer:

Above photo is the molecular weight of Mg(HC03) and C12H22O11.

3- k2cr207----Molar mass is the mass of 1 mole of substances in grams. Molecular mass of K2Cr2O7 is the sum of all the atomic masses of the elements present in the compound. =294 Unified mass.

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