What mass of Na is needed to react with H2O to liberate 566 L H2 gas at STP, accord-
ing to the equation below?
2 Na(s) + 2 H2O(l) → H2(g) +2 NaOH(aq)
Answer in units of g. Your answer must be
within 3.0%

Here's link to the

shly.link/0tj3C

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of carbon is as shown here in the image.

the correct answer is:

a. formation of precipitation