Below is an instruction that describes a task. Write a response that appropriately completes the request.

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

### Inputs:
table_name: table, columns: ['Molecule', 'Percent of Mass', 'Mol.Weight (daltons)', 'Molecules', 'Percent of Molecules']

### Response:
SELECT Mol.Weight (daltons) FROM table WHERE Percent of Mass = 1.5