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andrey2020 [161]
3 years ago
7

Describe the process by which most fossils are formed in rock

Biology
1 answer:
GaryK [48]3 years ago
7 0
In another fossilization process, called replacement, the minerals in groundwater replace the minerals that make up the bodily remains after the water completely dissolves the original hard parts of the organism<span>. Fossils also form from molds and casts.
From Google</span>
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Una solución de 0.204 M de NaOH seutiliza para neutralizar 50 mL de una solución de H3PO4. Si se necesitaron 16.4 mL de la soluc
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Answer: 0.05 M

Explanation:

Para responder esta pregunta, hay que tener en cuenta la Ley de Conservación de la Masa. <u>La misma indica que en una reacción química en un sistema cerrado, la masa total de las moléculas que participan permanece constante.</u> Esto significa que la masa utilizada en los reactivos es la misma que la masa de los productos generados.

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Entonces, ya que la masa de ambas soluciones no se pierde, podemos utilizar la ecuación de la Ley de Conservación de la Masa:

Concentración inicial x Volumen inicial = Concentración final x Volumen final.

Concentración inicial: 0.204 M

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Concentración final: ?

Volumen final: 50 mL + 16.4 mL = 66.4 mL

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0.204 M x 16.4 mL = Concentración final x 66.4 mL

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