Question

xPb(NO3)2 = yPbO+zNO2+O2 find the value of X, Y & Z all numbers are in the bottom please answer ASAP

Answer 1

Weight of 0.2 mol of X

2

Y

3

=32.0g.

∴ Molecular weight =

0.2

32

=160 g/mol.

Weight of 0.4 mol of X

3

Y

4

=92.8g.

∴ Molecular weight =

0.4

92.8

=232g/mol.

Now suppose the atomic weight of X=a and atomic weight of Y=b

Then 2a+3b=160 and 3a+4b=232.

Solving the equations we get, b=16 and a=56.

Hence (C) is the correct answer.

How satisfied are you with the answer

Answer 2

Answer:

Weight of 0.2 mol of X

2

Y

3

=32.0g.

∴ Molecular weight =

0.2

32

=160 g/mol.

Weight of 0.4 mol of X

3

Y

4

=92.8g.

∴ Molecular weight =

0.4

92.8

=232g/mol.

Now suppose the atomic weight of X=a and atomic weight of Y=b

Then 2a+3b=160 and 3a+4b=232.

Solving the equations we get, b=16 and a=56.

Hence (C) is the correct answer.

Explanation:

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