Question

2.
An ore of manganese contains 4% by mass of Mno, and no other manganese compound.
Which mass of manganese would be obtained from 1 tonne of this ore?
A
25.3 kg
B 40.0kg
C 63.3 kg
D D 632 kg​

Answer 1

Answer:

b. 40.0kg

40/100 *1000=40kg

Answer 2

Answer:

ok this is the answer pls mark brauliest