In Spanish, the word mochila is feminine, we know this from the fact that the article that comes before it would be la mochila.
"Mochila" is a feminine noun in Spanish, which is evident because it uses the article "la." Grammatical gender in Spanish classifies nouns as masculine or feminine, affecting how they interact with adjectives and articles. Therefore, "mochila" is used as "la mochila."
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