Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_47 (molweight__daltons_ VARCHAR, percent_of_mass VARCHAR)

### Question ###
what is the mol.weight (daltons) when the percent of mass is 1.5?

### Accurate SQL ###

SELECT molweight__daltons_ FROM table_name_47 WHERE percent_of_mass = "1.5"