Oblicz masy cząsteczkowe substancji: Fe2(SO3)3 , K2CO3 , Al(OH)3 , N2.... Question from @moni24

September 2018 1 24 Report

Oblicz masy cząsteczkowe substancji:
Fe2(SO3)3 , K2CO3 , Al(OH)3 , N2

Edycia93 Fe2(SO3)3 , Al(OH)3 , N2

Fe2(SO3)3=56u*2+32*3+16*3*3=112u+96u+144u=352u
K2CO3 =39u*2+12u+48u=138u
Al(OH)3=27u+16*3+1*3=27u+48u+3u=78u
N2=14u*2=28u
nie pamiętam dokładnie czy to było w u czy w g, ale wynik i tak będzie ten sam;)

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moni24 September 2018 | 0 Replies

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wyjaśnij dlaczego rodzice powinni chrzcić swoje dzieci

wyobraź sobie do czego miałoby służyć urządzenie o nazwie cukierkownica.napisz instrukcje obsługi.

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