13538
Mutual diffusivities were found to be lower for the mixtures with ethanol than for those with acetone , which could be related to the formation of hydrogen bonds between ethanol and the ions .
 Chemical: ethanol; Chemical: acetone; Chemical: hydrogen; Chemical: ethanol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ethanol; Chemical: acetone; Chemical: hydrogen; Chemical: ethanol