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blondinia [14]
4 years ago
12

Ng a

Chemistry
1 answer:
konstantin123 [22]4 years ago
6 0

Answer:

17 ppm

Explanation:

Paso 1: Información brindada

Masa de soluto: 0.025 g

Volumen de solución: 1.5 L

Paso 2: Convertir la masa de soluto a miligramos

Usaremos el factor de conversión 1 g = 10³ mg.

0.025 g × (10³ mg/1 g) = 25 mg

Paso 3: Calcular las partes por millon (ppm) del soluto

Usaremos la siguiente expresión.

ppm = mg de soluto / litros de solución

ppm = 25 mg / 1.5 L

ppm = 17 mg/L

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Answer: The balanced equation is V_{2}O_{5} + 5Ca \rightarrow 2V + 5CaO.

Explanation:

A chemical equation which contains same number of atoms on both reactant and product side is called a balanced chemical equation.

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In order to balance this equation, multiply Ca by 5 on reactant side. Multiply V by 2 and CaO by 5 on product side. Therefore, the equation can be rewritten as follows.

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