Question

How many valence electrons are present in 0.53g of Na 2 CO 3?
1)40×6.023×10²³
2)0.2×6.023x10²³
3)0.4X6.023x 10²³
4) 2x6. 023x10²³​

Answer 1

How many valence electrons are present in 0.53g of Na 2 CO 3?

1)40×6.023×10²³

2)0.2×6.023x10²³✔️✔️✔️

3)0.4X6.023x 10²³

4) 2x6. 023x10²³