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jeyben [28]
3 years ago
15

How many atoms of chlorine (Cl) are shown below? 5 CaCl2

Chemistry
1 answer:
Jobisdone [24]3 years ago
5 0
The answer is not C...
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Initially, 0.740 mol of A is present in a 5.00 L solution. 2 A ( aq ) − ⇀ ↽ − 2 B ( aq ) + C ( aq ) At equilibrium, 0.200 mol of
drek231 [11]

Answer:

POINTZZZ

Explanation:

4 0
3 years ago
Calcula el %m/v de alcohol en una mezcla utilizada para la desinfección de manos formada por: 15 ml de agua (densidad=1g/ml), 10
mr Goodwill [35]

Answer:

%m/v =70%

Explanation:

El %m/v es una unidad de concentración que se define como cien veces la división entre la masa de una sustancia (En gramos) y el volumen total en el que esta sustancia se encuentra (en mL).

En el problema, debemos hallar la masa de etanol (Alcohol) y el volumen total de la solución.

<em>Masa alcohol: </em>

Ya te la dan en el problema: 105g

<em>Volumen solución:</em>

Volumen agua: 15mL

Volumen etanol: 105g × (1mL / 0.798g) = 131mL

Volumen Jabón líquido: 4.5g × (1mL / 1.5g) = 3mL

Volumen: 15mL + 131mL + 3mL

149mL

Así, el %m/v de alcohol en la solución es:

%m/v = (105g / 149mL) × 100

<h3>%m/v =70%</h3>

3 0
3 years ago
Are bath bombs covalent or ionic bonds?
lubasha [3.4K]
Bath Bombs are colvalent bonds because they have both metals and non-metals before and after it makes contact with water.
4 0
2 years ago
what is the number of pairs of electrons that are shared between the nitrogen atoms in a molecule of N2
lesantik [10]
A Nitrogen got 7 electrons, which means every Nitrogen got 3 pairs of electrons and 1 single electron, ready to be shared.
A second nitrogen come with the same amount of electrons, 3 pairs and 1 single ready to shared. 
The 2 nitrogens put in common their single electrons to create a pair. 
Which means, that 1 pair of electron is shared between the nitrogens in a molecule of N2

Hope this Helps! :)
3 0
3 years ago
Read 2 more answers
A train took 18 hours to finish a 1530 miles journey. What was
Greeley [361]
Answer: 85Mph
Explanation: 1530 divided by 18=85
3 0
3 years ago
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