A 0.250 g sample of impure sodium carbonate required 18.29ml of 0.1055M HCI in a titration to methyl orange end point. The
percent of Na2CO3 (FW 106 g/mol)in the sample.
Select one:
O a. 10.23%
O b. 42.91%
O c. 40.905%
O d. 20.46%​