Question

If 40 grams of 'X' combines with 1.5x1023 atoms of 'Y' to form X3Y without any of either element remaining, the atomic

weight of 'X' is​

Answer 1

Answer:

$xIf 40 grams of 'X' combines with 1.5x1023 atoms of 'Y' to form X3Y without any of either element remaining, the atomic \frac{66666666}{?}$