Question

ʜᴏᴡ ᴍᴀɴʏ ᴍᴏʟᴇꜱ ᴏꜰ ɴᴀᴏʜ ᴀʀᴇ ᴘʀᴇꜱᴇɴᴛ ɪɴ 160ɢ ᴏꜰ ɪᴛ​

Answer 1

mass of 1 molecule of NaOH = 23+16+1=40g

∴ moles in 160 g NaOH = 160/40= 4 moles

so, there are 4 moles of NaOH in 160g of it

hope it's help uhh ☺❤