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%​

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Stage in which a typical star has completely stopped fusion

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?