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_86 (emit__nm_ VARCHAR, mass__g_mol_ VARCHAR)

### Question ###
Which Emission (in nanometers) that has a molar mass of 1078 g/mol?

### Accurate SQL ###

SELECT emit__nm_ FROM table_name_86 WHERE mass__g_mol_ = "1078"