Question

решите пж срочно
по братски
​

Answer 1

Ответ:

Mr(H2)= 2, 1×2=2

Mr(CaCl2)= 111 40+35,5×2=111

Mr(CaCO3)= 100 40+12+16×3=100

Mr(Ca(OH)2)= 74 40+(16×2+1×2)=74

Mr(CH3COOH)= 60 12+1×2+12+16×2+1=60

Mr(Ca3(PO4)2)= 310 40×3+(31×2+16×8)=310