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EleoNora [17]
2 years ago
9

How many moles are in 4.5 g of Sodium Chloride, NaCl?

Chemistry
1 answer:
Sergeu [11.5K]2 years ago
6 0

Answer:

The answer to the question is 0.07 moles

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Round the nearseat whole number how many neutrons on average are in atom of osmium?
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Answer:

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Explanation:

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7 0
3 years ago
Two liquids, a and b are immiscible. liquid a has a density of 0.89 g/ml. liquid b has a density of 0.72 g/ml. what would you ex
Burka [1]
In the given above, we have two densities which are 0.89 g/mL and 0.72 g/mL. We are also given that the liquids are immiscible. After the settlement of the liquids, they will form two layers.

The heavier substance, the one which has a higher density will be at the bottom and the lighter substance, the one which has a lower density will be at the top layer.
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3 years ago
How do changes to genes affect the traits of an organism?
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Changes to genes can affect the phenotypic traits of an organism, making them look differently.
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2 years ago
A chemical reaction happens
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B I think lol when something changes the state of matter
5 0
3 years ago
Please help on this one?
Bezzdna [24]

Answer:

\text{C. } _{36}^{85}\text{Kr}

Explanation:

Your nuclear equation is  

_{35}^{85}\text{Br} \longrightarrow \, _{-1}^{0}\text{e} +\, _{x}^{y}\text{X}

The main point to remember in balancing nuclear equations is that

  • the sum of the superscripts and must be the same on each side of the equation.
  • the sum of the subscripts must be the same on each side of the equation.  

Then  

85 = 0 + y, so y = 85 - 0 = 0  

35 = -1 + x, so x = 35 + 1 = 36

The nucleus with atomic number 36 and atomic mass 85 is krypton-85.  

The nuclear equation becomes  

_{35}^{85}\text{Br} \longrightarrow \, _{-1}^{0}\text{e} + \, _{36}^{85}\text{Kr}

4 0
2 years ago
Read 2 more answers
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