Question

Растичтать малекулярную массу
H2SO4
KNO3
CaCl2

Answer 1

Mr(H2SO4) = 1*2 + 32 + 16*4 = 98
Mr(KNO3) = 39 + 14 + 16*3 = 101
Mr(CaCl2) = 40 + 35*2 = 110

Answer 2

(H2SO4)=1x2+32+16x4=98
(KNO3)=39+14+16x3=101
(CaCl2)= 40+35x2=110