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Measurement of Matter — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceMeasurement of Matter3 Marks
Question
Molecular formula – MgO
✓

Answer

Molecular mass of MgO (M)
= (Atomic mass of Mg) x 1 + (Atomic mass of 0)xl
= (24 x 1) + (16 x 1)
= 24 + 16
= 40
Molecular mass of MgO (M) = 40

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