what is molality in chemistry
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Mᴏʟᴀʟɪᴛʏ (ᴍ), ᴏʀ ᴍᴏʟᴀʟ Cᴏɴᴄᴇɴᴛʀᴀᴛɪᴏɴ, ɪs Tʜᴇ Aᴍᴏᴜɴᴛ ᴏғ ᴀ Sᴜʙsᴛᴀɴᴄᴇ ᴅɪssᴏʟᴠᴇᴅ ɪɴ ᴀ Cᴇʀᴛᴀɪɴ ᴍᴀss ᴏғ Sᴏʟᴠᴇɴᴛ. ɪᴛ ɪs Dᴇғɪɴᴇᴅ ᴀs Tʜᴇ ᴍᴏʟᴇs ᴏғ ᴀ Sᴏʟᴜᴛᴇ ᴘᴇʀ Kɪʟᴏɢʀᴀᴍs ᴏғ ᴀ Sᴏʟᴠᴇɴᴛ.
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It is defined as the number of moles of solute dissolved in 1 kg (1000 gm) of the solvent. It is denoted by 'm'.
Molality= number of moles of solute
mass of solvent (kg)
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