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help me😭😭

Q. lithium has two isotopes,6 lithium (abundance 7%) and7 Lithium
(abundance93%) calculate the relative atomic mass of lithium, giving your answers 2 decimal places.? please answer me 🤷🤨

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Do you know the formula?
Reply 2
yes
Original post by Hayat ali
yes


Then put the numbers you have into the formula :smile:
Reply 4
No i don't have formula.☹️
Original post by Hayat ali
No i don't have formula.☹️

then you shouldn't have answered Chopinnocturne's question with yes
Reply 6
please answer me tell me
No one is going to do your homework for you this time. This is the formula:



And then divide by 100
(edited 3 years ago)
Original post by Hayat ali
please answer me tell me

On TSR, the most we can do to help you is to guide you in the right direction, or to give you a helpful formula or two. You have to work out the answer yourself.
Prsom 🙄 OP has been trying to get people to do their homework for them since yesterday, that’s why :rolleyes:
Reply 10
why are don't telle u plz 🙏 answer I don't understand why I don't know
Original post by Hayat ali
why are don't telle u plz 🙏 answer I don't understand why I don't know

At least attempt to answer it. Then others can guide you
Mass = Mr x Mole(s)

Just rearrange the equation subbing in the values you already know.
Reply 13
yes
Original post by Hayat ali
yes

smh
atleast TRY it lmao
Original post by Hayat ali
yes

6.93

where you from beta
Reply 16
what beta?🤨
Original post by Hayat ali
what beta?🤨

where you living it's clearly not the UK

answer is 6.93 good luck with your education
Reply 18
thanks for you 😊
Reply 19
I live in Istanbul Turkey .

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