Que son fórmulas químicas
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dont know if you asking to translate or not but here is a translation from spanish to english:

in english: what are chemical formulas

the answer in english is: a mathematical relationship or rule expressed in symbols.

in spanish: una relación o regla matemática expresada en símbolos.

let that person have a turn to speak : )

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.