Question

what is mean by molecular formula​

Answer 1

ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴀʀ ғᴏʀᴍᴜʟᴀ ᴏғ ᴀ ᴄᴏᴍᴘᴏᴜɴᴅ ᴍᴀʏ ʙᴇ ᴛʜᴇ ᴇᴍᴘɪʀɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ, ᴏʀ ɪᴛ ᴍᴀʏ ʙᴇ ᴀ ᴍᴜʟᴛɪᴘʟᴇ ᴏғ ᴛʜᴇ ᴇᴍᴘɪʀɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ. ғᴏʀ ᴇxᴀᴍᴘʟᴇ, ᴛʜᴇ ᴍᴏʟᴇᴄᴜʟᴀʀ ғᴏʀᴍᴜʟᴀ ᴏғ ʙᴜᴛᴇɴᴇ, ᴄ4ʜ8, sʜᴏᴡs ᴛʜᴀᴛ ᴇᴀᴄʜ ғʀᴇᴇʟʏ ᴇxɪsᴛɪɴɢ ᴍᴏʟᴇᴄᴜʟᴇ ᴏғ ʙᴜᴛᴇɴᴇ ᴄᴏɴᴛᴀɪɴs ғᴏᴜʀ ᴀᴛᴏᴍs ᴏғ ᴄᴀʀʙᴏɴ ᴀɴᴅ ᴇɪɢʜᴛ ᴀᴛᴏᴍs ᴏғ ʜʏᴅʀᴏɢᴇɴ. ɪᴛs ᴇᴍᴘɪʀɪᴄᴀʟ ғᴏʀᴍᴜʟᴀ ɪs ᴄʜ2.

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Answer 2

$\tt \boxed{ \fcolorbox{yellow}{lightskyblue}{QUESTION }}$

What is meant by molecular formula?

$\red{\underline{{ \bf ANSWER }}}$

$\underline {\underline{{\purple{ \sf MOLECULAR\:FORMULA:-}}}}$

➳ Morecular formula is a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound.

$\underline {\underline{{\purple{ \sf EXAMPLES\:OF\:MOLECULAR\:FORMULA:-}}}}$

➳ For example, the molecular formula of butene, C4H8.

➳ It shows that each freely existing molecule of butene contains four atoms of carbon and eight atoms of hydrogen.

$\underline {\underline{{\purple{ \sf HOW\:TO\:FIND\:MOLECULAR\:FORMULA:-}}}}$

➳ Divide the molar mass of the compound by the empirical formula mass.

➳ The result should be a whole number or very close to a whole number.

➳ Multiply all the subscripts in the empirical formula by the whole number found in step 2.

➳ The result is the molecular formula.

$\tt \boxed{ \fcolorbox{yellow}{lightskyblue}{HOPE IT HELPS}}$