1.

A certain compound has the molecular formula X_(4)O_(6) If 10 gm of X_(4)O_(6) has 5.72 gm X, the atomic mass of X is:

Answer»

32 amu
37 amu
42 amu
98 amu

Solution :ATOMIC weight of x be a
10g of `X_(4)O_(6)` …........ 4a GX grams of x, `10 xx 4a=(4a+96)5.72`, a = 32


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