Question

1.A sample of NH3 molecule irrespective of source contains 82.35% Nitrogen and 17.65% of Hydrogen by mass. This data supports: Full Marks : 1 (a) Law of Conservation of Mass  (b) Las of Multiple Proportions  (c) Law of Definite Proportions  (d) Avogadro’s Law​

Answer 1

ᴀ sᴀᴍᴘʟᴇ ᴏғ ɴʜ ᴍᴏʟᴇᴄᴜʟᴇ ɪʀʀᴇsᴘᴇᴄᴛɪᴠᴇ ᴏғ sᴏᴜʀᴄᴇ ᴄᴏɴᴛᴀɪɴs .% ɴɪᴛʀᴏɢᴇɴ ᴀɴᴅ .% ᴏғ ʜʏᴅʀᴏɢᴇɴ ʙʏ ᴍᴀss. ᴛʜɪs ᴅᴀᴛᴀ sᴜᴘᴘᴏʀᴛs ᴛʜᴇ ᴄ) ʟᴀᴡ ᴏғ ᴅᴇғɪɴɪᴛᴇ ᴘʀᴏᴘᴏʀᴛɪᴏɴs.

ᴇxᴘʟᴀɴᴀᴛɪᴏɴ:

ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴛʜᴇ ʟᴀᴡ ᴏғ ᴅᴇғɪɴɪᴛᴇ ᴘʀᴏᴘᴏʀᴛɪᴏɴs ᴏʀ ʀᴀᴛɪᴏ, ᴛʜᴇ sᴀᴍᴘʟᴇs ᴏғ ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ ᴡɪʟʟ ᴀʟᴡᴀʏs ʜᴀᴠᴇ ᴛʜᴇ sᴀᴍᴇ ᴘʀᴏᴘᴏʀᴛɪᴏɴ ᴏғ ᴇʟᴇᴍᴇɴᴛs ʙʏ ᴍᴀss.

ᴛʜᴇ ʟᴀᴡ ɪs ғᴜɴᴅᴀᴍᴇɴᴛᴀʟ ᴛᴏ ᴛʜᴇ sᴛᴜᴅʏ ᴏғ sᴛᴏɪᴄʜɪᴏᴍᴇᴛʀʏ ɪɴ ᴄʜᴇᴍɪsᴛʀʏ.

ᴛʜᴇ ʟᴀᴡ ᴏғ ᴘʀᴏᴘᴏʀᴛɪᴏɴs ɪs ᴀʟsᴏ ᴋɴᴏᴡɴ ᴀs ᴛʜᴇ ʟᴀᴡ ᴏғ ғɪxᴇᴅ ᴄᴏɴsᴛᴀɴᴛ, ɪᴛ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴛʜᴇ ɪɴᴅɪᴠɪᴅᴜᴀʟ ᴄᴏᴍᴘᴏɴᴇɴᴛs ᴛʜᴀᴛ ᴍᴀᴋᴇ ᴜᴘ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ᴄᴏᴍᴘᴏᴜɴᴅ ᴏʀ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ᴡɪʟʟ ᴀʟᴡᴀʏs ʙᴇ ᴀᴛ ᴀ ᴄᴏɴsᴛᴀɴᴛ ʀᴀᴛɪᴏ(ɪɴ ᴛᴇʀᴍs ᴏғ ᴛʜᴇɪʀ ᴍᴀss ʀᴜʟᴇs).

ᴛʜɪs ʀᴀᴛɪᴏ ɪs ɴᴏᴛ ᴅᴇᴘᴇɴᴅᴇɴᴛ ᴏɴ ᴇᴠɪᴅᴇɴᴄᴇ ᴏғ ᴄʜᴇᴍɪᴄᴀʟ ᴄᴏᴍᴘᴏsɪᴛɪᴏɴ ᴏʀ ᴛʜᴇ ᴍᴇᴛʜᴏᴅ ᴛʜʀᴏᴜɢʜ ᴡʜɪᴄʜ ɪᴛ ᴡᴀs ᴍᴀᴅᴇ.

ᴛʜᴇ ʟᴀᴡ ᴏғ ᴄᴏɴsᴛᴀɴᴛ ʀᴀᴛɪᴏ sᴛᴀᴛᴇs ᴛʜᴀᴛ ᴄʜᴇᴍɪᴄᴀʟ ᴄᴏᴍᴘᴏᴜɴᴅs ᴀʀᴇ ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ᴇʟᴇᴍᴇɴᴛs ᴛʜᴀᴛ ᴀʀᴇ ɪɴ ᴀ ᴄᴏɴsᴛᴀɴᴛ ʀᴀᴛɪᴏ ᴏғ ᴍᴀss ᴛᴏ ᴍᴀss.

ᴛʜɪs ᴍᴇᴀɴs ᴛʜᴀᴛ ᴀɴʏ ᴘᴜʀᴇ sᴀᴍᴘʟᴇ ᴏғ ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ, ɴᴏ ᴍᴀᴛᴛᴇʀ ᴡʜᴀᴛ ᴛʜᴇ sᴏᴜʀᴄᴇ, ᴡɪʟʟ ʜᴀᴠᴇ ᴛʜᴇ sᴀᴍᴇ ᴇʟᴇᴍᴇɴᴛs ɪɴ ᴘʀᴏᴘᴏʀᴛɪᴏɴ ᴛᴏ ᴛʜᴇ ᴍᴀss.

ғᴏʀ ᴇxᴀᴍᴘʟᴇ, ɪɴ ᴛʜᴇ ɴɪᴛʀᴏɢᴇɴ ᴏxɪᴅᴇ (ɴᴏ_{})(ɴᴏ

) ᴍᴏʟᴇᴄᴜʟᴇ, ᴛʜᴇ ʀᴀᴛɪᴏ ᴏғ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴏғ ɴɪᴛʀᴏɢᴇɴ ᴀɴᴅ ᴏxʏɢᴇɴ ᴀᴛᴏᴍ ɪs ᴀʟᴡᴀʏs :: . ᴛʜᴇ ʀᴀᴛɪᴏ ʙᴇᴛᴡᴇᴇɴ ɴɪᴛʀᴏɢᴇɴ ᴀɴᴅ ᴏxʏɢᴇɴ ᴍᴏʟᴇᴄᴜʟᴇs ɪs ᴀʟᴡᴀʏs ᴛʜᴇ sᴀᴍᴇ.