Is this upgrade possible on this laptop?

Question

Iron

Hello! There is such a laptop:
Acer E1-570g;
Intel Core i5-3337U;
Nvidia GT740M;
6GB DDR3;
It costs two bars 4 + 2 Kingston 1600 MHz.
Questions:
1) How many maximum operatives can I put?
2) Is it possible to change the 2GB bar to 8GB of the same manufacturer?
3) Is it possible to put an SSD on this laptop? Will productivity increase?

Answer 1

1) 4 + 4
2) no
3) yes, yes.