two oxides of a metal confain 50% and 40% metal M Respectively. if thw formula of the first oxide is MO2 the formula of the second one
Answers
Answered by
0
Answer:
M2O3
Explanation:
metal one consists of MO2... each oxygen is 25% so metal is 50 percent
formula 2 is M2O3... equally dividing the 100 percent between 5 parts... ech icygen is 20% each metal atom is 20%
thus M2O3 has 40% metal
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Answered by
1
Answer:
For first oxide, M=50% ,O=50%.
Molecular formula of first oxide is MO and its molecular mass is 16+x where x is the atomic mass of M.
∴(
16+x
x
)×100=50
16+x
x
=
2
1
2x=16+x
x=16
Let us determine formula of second oxide
M O
mass per 100 g 40 60
moles
60
40
16
60
Divided by 2.5 1 1.5
Converting into simple whole number 2 3
Molecular formula of second oxide is M
2
O
3
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