B) Mr Na2CO3 =
T) Mr Ca3(PO4)2 =
2) Mr CuCl2=
E) Mr H2SO4 =
X) Mr P2O5=
3) Mr KC1O3=
T) Mr Ca3(PO4)2 =
2) Mr CuCl2=
E) Mr H2SO4 =
X) Mr P2O5=
3) Mr KC1O3=
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Answers & Comments
Ответ:
Mr(Na2CO3)= 23×2+12+16×3=46+66=106г/моль
Mr (Ca3 (PO4)2)= 40×3 (31+16×4)2=310г/моль
Mr (CuCl2)= 64+35.5×2=135г/моль
Mr (H2SO4)= 2+32+16×4=98г/моль
Mr (P2O5)= 31×2+16×5=142г/моль
Mr (KC1O3)= 99г/моль