Calculate the molecular masses of following compounds
1) NaCl 2) MgO 3) NaOH 4) Ca(OH) 2
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1.
⟹ Na + CL
⇒ 23 + 35.5
⇒ 58.5 g/mol
2.
⟹ Mg + o
⇒ 24 + 16
⇒ 40 g/mol
3.
⟹ NaoH
⇒ 22.99 + 16 + 1.01
⇒ 40 g/mol
4.
⟹ Ca(OH)2
⇒ 40 + 16 × 2 + 1 × 2
⇒ 40 + 32 + 2
⇒ 74 g/mol
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