Emperical formula help. 10 points Rȧ̯͠i̷ͧ͌̌ͩ̔̿¬̬̟ͅͅi̾̽ͪͬ͊l͋͂̏̒҉­̟̤̥̹͎͉ N҉̟̤̥̹͎͉l̜̜̱̫B¬̯̲̠ͧͧo̧̪̖͉̪̳͐W ͪ̌ͭ̓ͩ̈́͏

A 0.400g sample of a whit powder contains 0.414g of potassium, 0.115g of surfer, and 0.144g of oxygen. What is the empirical formula for this compound? Explain how you got your answer.

Some solved examples explaining what to do:

http://www.chemteam.info/Mole/Emp-formul…

Convert mass to moles, then look for lowest whole-number ratio.