Question

Two elements X (atomic mass 16) and Y (atomic mass
14) form compound A, B, and C. Y's mass ratio with X in
compound A, B and C are 1:3:5. If in compound B, X's
32 parts combined with Y's 84 parts, then which part of Y
will combine with X 16 parts?
(a) 14 parts of Y (b) 42 parts of Y
(c) 70 parts of Y (d) 84 parts of Y​

Answer 1

Answer:

b. 42 parts of y

Explanation:

if X mass is halved then Y mass also will be half in same compound