Detailed Instructions: In this task, you are given a sentence in the English language. Your job is to translate the English sentence into the Spanish language.
Problem:Why is HF a weak acid in water ?
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
¿Por qué el HF es un ácido débil en agua?