When to use las or los in Spanish?

The definite articles las and los are used to refer to the plural of nouns in Spanish. Las is used with feminine nouns, while los is used with masculine nouns.

Here are some examples of how to use las and los:

* Las niñas están jugando en el parque. (The girls are playing in the park.)

* Los niños están jugando al fútbol. (The boys are playing soccer.)

* Las mesas están en el comedor. (The tables are in the dining room.)

* Los libros están en la biblioteca. (The books are in the library.)

There are a few exceptions to the rule of using las with feminine nouns and los with masculine nouns. One exception is the word agua, which is feminine but takes the article el. Another exception is the word mano, which is feminine but takes the article la.

Here are some examples of the exceptions to the rule:

* El agua está fría. (The water is cold.)

* La mano de la mujer es suave. (The woman's hand is soft.)

In general, it is best to follow the rule of using las with feminine nouns and los with masculine nouns. However, it is important to be aware of the exceptions to the rule so that you can use the articles correctly.