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GREYUIT [131]
3 years ago
13

Si en un matraz aforado tengo una solución 8%m/v , Si a partir de ella preparo otra solución que es 4% m/v esta ultima ¿esta mas

diluida o mas concentrada?
Chemistry
1 answer:
zysi [14]3 years ago
6 0

Answer:

I'm sorry i do not speak spanish , so i dont understand.

Explanation:

do you know english

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Which of the following is true about two neutral atoms of the element gold? (1 point) The nucleus is missing in both. Each has a
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5 0
3 years ago
Which of the following is a precipitation reaction?
fredd [130]

Answer:

B is a precipitation reaction.

Explanation:

This is because a precipitation reaction is when a solid is made from the combination of cations and anions in a solution to create a solid.

3 0
3 years ago
Read 2 more answers
Fission and fusion reactions both release energy. However, only fusion reactions
miv72 [106K]
Answer:
<span>D) combine light nuclei
</span>
Explanation:
Fission and fusion both deal with the alteration of atoms in order to produce energy. However, they are actually opposite processes, this is because:
1- Fission occurs when an atomic nucleus is split/divided into two forming two atoms
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Hope this helps :) 
5 0
3 years ago
Sodium metal reacts with chlorine gas to produce sodium chloride. What mass (grams) of sodium metal would be needed to fully rea
gulaghasi [49]

Answer:

105.8 g of Na would be required

Explanation:

Let's think the reaction:

2Na(s)  + Cl₂(g)  →  2NaCl (s)

1 mol of chlorine reacts with 2 moles of sodium

Then, 2.3 moles of Cl₂ would react with (2.3 .2) / 1 = 4.6 moles

Let's determine the mass of them.

4.6 mol . 23 g/mol = 105.8 g

3 0
3 years ago
Which of the following is used for chemical symbols today? a. drawings c. letters b. icons d. numbers
devlian [24]

Answer:

Letters

Explanation:

For example, today we use the periodic table which is full of elements named with 1 or 2 letters. Like how Helium is He and Sodium is Na. Hope this helps!!!

3 0
3 years ago
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