Question

Calculate the number of moles of magnesium present ribbon weighing 14 g. Molar atomic mass of magnesium is 24 gmol−1.k​

Answer 1

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ꜰᴇᴡ ɪɴᴅɪᴠɪᴅᴜᴀʟꜱ ʜᴀᴠᴇ ʜᴀᴅ ᴀꜱ ᴘʀᴏꜰᴏᴜɴᴅ ᴀɴ ɪᴍᴘᴀᴄᴛ ᴏɴ ꜱᴄɪᴇɴᴄᴇ ᴀꜱ ɢᴀʟɪʟᴇᴏ, ᴡʜᴏꜱᴇ ɢʀᴏᴜɴᴅʙʀᴇᴀᴋɪɴɢ ɪɴᴠᴇɴᴛɪᴏɴꜱ ᴀɴᴅ ᴅɪꜱᴄᴏᴠᴇʀɪᴇꜱ ᴇᴀʀɴᴇᴅ ʜɪᴍ ᴛʜᴇ ᴛɪᴛʟᴇ 'ᴛʜᴇ ꜰᴀᴛʜᴇʀ ᴏꜰ ꜱᴄɪᴇɴᴄᴇ'. ɢᴀʟɪʟᴇᴏ ᴡᴀꜱ ᴀɴ ᴇxᴘᴇʀɪᴍᴇɴᴛᴀʟɪꜱᴛ ᴡʜᴏ ꜰᴏʀ ᴛʜᴇ ꜰɪʀꜱᴛ ᴛɪᴍᴇ ʜᴀᴅ ᴛʜᴇ ɪɴꜱɪɢʜᴛ ᴀɴᴅ ᴛᴀʟᴇɴᴛ ᴛᴏ ʟɪɴᴋ ᴛʜᴇᴏʀʏ ᴡɪᴛʜ ᴇxᴘᴇʀɪᴍᴇɴᴛ.

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Answer 2

Answer:

0.583

Explanation:

given mass=14g

molar mass=24g

no. of moles= given mass/molar mass

                    =14g/24g

                    =0.583

hope this helps