Question

Найдите молекулярную массу H2So4

Answer 1

Mr (H2So4)= 1×2+32+16×4 = 2+32+64 = 98г/моль

Answer 2

спасибо

Answer 3

ок

Answer 4

$boldsymbol{M_r (H_2SO_4)} = 2cdot A_r(H)+A_r(S)+4cdot A_r(O) = 2cdot 1 +32 +4cdot16 = \ \ = 2+32+ 64 = boldsymbol{98} \ \ \ \ boxed{boldsymbol{OTBET: 98}};$