Question

1. A and B react in ratio of 3 : 8 by mass. What weight of A should be used to react completely with
24 g B?
(1) 10g
(3) 9 g
(2) 15 g
(4) 7 g
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Answer 1

Answer:

here substitute B=24....

I solved it..incase any doubts .. Comment'on it ...or else if any method if you know please share .. or if it is wrong please correct it ....

Thank you...

Answer 2

x=(3×24)/8

x=72/8

x=9

Answer is 9 g