Question

Calculate the normality of solution in which 10.6gr of Na2Co3 is dissolved in 500 ml solution

Answer 1

Answer:

Initial molarity-

=

106

10.6

×

V(ml)

1000

=

106

10.6

×

100

1000

=1M

Now, M

1

V

1

=M

2

V

2

1×10=M

2

×1000

M

2

=

1000

10

M

2

=10

−2

M

So, the correct option is B

Answer 2

Explanation:

Answer:

Initial molarity-

=

106

10.6

×

V(ml)

1000

=

106

10.6

×

100

1000

=1M

Now, M

1

V

1

=M

2

V

2

1×10=M

2

×1000

M

2

=

1000

10

M

2

=10

−2

M

So, the correct option is B

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