13/65*2=0.4g
(98*13/65)/100=19.6%
32.5/65*2=1g
(98*32.5/65)/150=32.67%
6+19-22.8=2.2g
(2.2/44*100)/6=83.3%
(3)题错了,前面是盐酸,后面怎么又是硫酸.
如果问的是盐酸:
(2.2/44)*35*2=3.5g
3.5/19=18.42%
13/65*2=0.4g
(98*13/65)/100=19.6%
32.5/65*2=1g
(98*32.5/65)/150=32.67%
6+19-22.8=2.2g
(2.2/44*100)/6=83.3%
(3)题错了,前面是盐酸,后面怎么又是硫酸.
如果问的是盐酸:
(2.2/44)*35*2=3.5g
3.5/19=18.42%