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?????????, ??? ????? ???????? ???

???? ??? ??? ???? ????? ??? ??? ???? ??? ?? ??? ??? ??? ????? ???? ????? ???? ???????? ?????? ???? ??? ?? ???????? ?? ????? ??? ?? ?????? ?? ??? ???? ???? ?? ?? ????? ?? ??? ???? ????? ???????? ?? ???? ?? ???? H ₂O ????? ?? ??? ?? ?? ???? ??? ??????:-

(2*???????? ?? ???? ??? + 1*?????? ?? ???? ???)????
= (2*1+1*16)????
=(2+16)????
=18 ????

??? ?? ?? ???? ?? ?? ????(H ₂O) ?? ???? ??? 18 ???? ???

???? ????? ?? ???? ??? [ ???? ]

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?????	12
????????	14
??????	16
??????	23
?????????	24
????	32
???????	35.5
???????	40

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