Question

Plz ans fast
I will mark brillant​

Answer 1

2.ʀᴀᴛɪᴏ ᴏғ ʜ : ᴏ ʙʏ ᴍᴀss ɪɴ ᴡᴀᴛᴇʀ ɪs:

ʜʏᴅʀᴏɢᴇɴ : ᴏxʏɢᴇɴ —> ʜ2ᴏ

∴ 1 : 8 = 3 : x

x = 8 x 3

x = 24 ɢ

∴ 24 ɢ ᴏғ ᴏxʏɢᴇɴ ɢᴀs ᴡᴏᴜʟᴅ ʙᴇ ʀᴇϙᴜɪʀᴇᴅ ᴛᴏ ʀᴇᴀᴄᴛ ᴄᴏᴍᴘʟᴇᴛᴇʟʏ ᴡɪᴛʜ 3 ɢ ᴏғ ʜʏᴅʀᴏɢᴇɴ ɢᴀs.

3.ᴛʜᴇ ᴘᴏsᴛᴜʟᴀᴛᴇ ᴏғ ᴅᴀʟᴛᴏɴ’s ᴀᴛᴏᴍɪᴄ ᴛʜᴇᴏʀʏ ᴛʜᴀᴛ ɪs ᴛʜᴇ ʀᴇsᴜʟᴛ ᴏғ ᴛʜᴇ ʟᴀᴡ ᴏғ ᴄᴏɴsᴇʀᴠᴀᴛɪᴏɴ ᴏғ ᴍᴀss ɪs—ᴛʜᴇ ʀᴇʟᴀᴛɪᴠᴇ ɴᴜᴍʙᴇʀ ᴀɴᴅ ᴋɪɴᴅs ᴏғ ᴀᴛᴏᴍs ᴀʀᴇ ᴄᴏɴsᴛᴀɴᴛ ɪɴ ᴀ ɢɪᴠᴇɴ ᴄᴏᴍᴘᴏᴜɴᴅ. ᴀᴛᴏᴍs ᴄᴀɴɴᴏᴛ ʙᴇ ᴄʀᴇᴀᴛᴇᴅ ɴᴏʀ ᴅᴇsᴛʀᴏʏᴇᴅ ɪɴ ᴀ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴ.

4.ᴛʜᴇ ʀᴇʟᴀᴛɪᴠᴇ ɴᴜᴍʙᴇʀ ᴀɴᴅ ᴋɪɴᴅs ᴏғ ᴀᴛᴏᴍs ᴀʀᴇ ᴄᴏɴsᴛᴀɴᴛ ɪɴ ᴀ ɢɪᴠᴇɴ ᴄᴏᴍᴘᴏᴜɴᴅ.

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