text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_21 (percent_of_mass VARCHAR, molweight__daltons_ VARCHAR)
  ### Question:
  what is the percent of mass when the mol.weight (daltons) is 1e11?
  ### Answer:
  SELECT percent_of_mass FROM table_name_21 WHERE molweight__daltons_ = "1e11"