How did you do step 5 with no sodium carbonate?
Just go buy it from the supermarket, will set you back a few dollars. It's sold as washing soda in the cleaning isle.
You'll want to go around a couple of times to get a pretty decent product.
Your final product will need to be freebase powder if you want to smoke it too, the acid crystal is only good for oral use.
The nearest we ever come to knowing truth is when we are witness to paradox.