A) Mr(H2SO4) = (21) + 32 + (416)Mr(H2SO4) = 2 + 32 + 64Mr(H2SO4) = 98
B) Mr(Al(OH)3) = 27 + (316) + (3(1+16))Mr(Al(OH)3) = 27 + 48 + 51Mr(Al(OH)3) = 126
A) Mr(H2SO4) = (21) + 32 + (416)
Mr(H2SO4) = 2 + 32 + 64
Mr(H2SO4) = 98
B) Mr(Al(OH)3) = 27 + (316) + (3(1+16))
Mr(Al(OH)3) = 27 + 48 + 51
Mr(Al(OH)3) = 126