A certain metal sulphide, Ms2 is used extensively as a high temperature lubricant. If Ms2 is 40.06% by mass sulphur, metal M has atomic mass

Question

A certain metal sulphide, Ms2 is used extensively as a high temperature lubricant. If Ms2 is 40.06% by mass sulphur, metal M has atomic mass (A) 160u (B) 40 u (C) 64 u (D) 96 u

Tardigrade Admin · Accepted Answer

underset100 mathop undersetM+64 mathopMS2 ≡ underset beginsmallmatrix 64 40.06 endsmallmatrix mathop2S (M+64/100)=(60/40.06) M=96

Q. A certain metal sulphide, $M s_{2}$ is used extensively as a high temperature lubricant. If $M s_{2}$ is 40.06% by mass sulphur, metal M has atomic mass

160u

40 u

64 u

96 u

$100 M + 64 M S_{2} \equiv 64 40.06 2 S$ $\frac{M + 64}{100} = \frac{60}{40.06}$ $M = 96$

Q. A certain metal sulphide, Ms2​ is used extensively as a high temperature lubricant. If Ms2​ is 40.06% by mass sulphur, metal M has atomic mass