Question

Define molalitiy? To calculate the of solution of 5.3gm Na2CO3 dissolve in 800gm of water?​

Answer 1

Answer:

Molality is defined as the “total moles of a solute contained in a kilogram of a solvent.” Molality is also known as molal concentration

Explanation:

Answer 2

Hᴇʀᴇ's Yᴏᴜʀ Aɴsᴡᴇʀ:-

Mᴏʟᴀʟɪᴛʏ:

• Mᴏʟᴀʟɪᴛʏ ɪs Dᴇғɪɴᴇᴅ ᴀs Tʜᴇ Nᴜᴍʙᴇʀ ᴏғ Mᴏʟᴇs ᴏғ Sᴏʟᴜᴛᴇ Pᴇʀ ᴋɢ ᴏғ Tʜᴇ Sᴏʟᴠᴇɴᴛ.

Mᴏʟᴇ ᴏғ Na2CO3 = 5.3/106

= 0.05

Mᴏʟᴀʟɪᴛʏ = Mᴏʟᴇ ᴏғ Sᴏʟᴜᴛᴇ/Mᴀss ᴏғ Sᴏʟᴠᴇɴᴛ ( ɪɴ ᴋɢ )

Sᴏ, Mᴏʟᴀʟɪᴛʏ = 0.05/0.08 = 1/16 = 0.0625 Mᴏʟ/ᴋɢ.

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