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Measurement of Matter — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceMeasurement of Matter3 Marks
Question
Molecular formula – $MgCl_2$
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Answer

Molecular mass of $MgCl_2 (M)$
$= (Atomic mass of Mg) x 1 + (Atomic mass of Cl) x 2$
$= (24 x 1) + (35.5 x 2)$
$= 24 + 71$
$= 95$
$\therefore$ Molecular mass of $MgCl_2 (M) = 95?$

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