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slava [35]
3 years ago
6

An atom contains three protons, two neutrons, and one electron. What is the charge of the nucleus?

Chemistry
1 answer:
andreev551 [17]3 years ago
7 0

Answer:

A.3+

Explanation:

️️️️️️️️️️️️️️

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Sorry I did not understand the question
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3 years ago
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How many moles of NaOH must be dissolved in 1.00 L of water to make NaOH (aq) with a pH of 12.2?
adelina 88 [10]

Answer:

1.58 102 mol

Explanation:

I just looked it up on Quizlet.

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3 years ago
The density of concentrated nitric acid (HNO3) is 1.413 g/mL. What volume in liters would be occupied by a mass of 47.2 g?
DerKrebs [107]

Answer:

The volume that a mass of 47.2 g would occupy is 0.0334 L

Explanation:

Density is the property that matter, whether solid, liquid or gas, has to compress into a given space. Density is defined as the amount of mass it has per unit volume, that is, the ratio between the mass of a body and the volume it occupies:

Density=\frac{mass}{volume}

This indicates that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

In this case:

  • density= 1.413 g/mL
  • mass= 47.2 g
  • volume=?

Replacing:

1.413 \frac{g}{mL}=\frac{47.2 g}{volume}

Solving:

volume=\frac{47.2 g}{1.413\frac{g}{mL} }

volume=33.40 mL

Being 1,000 mL= 1 L:

volume= 0.0334 L

<u><em> The volume that a mass of 47.2 g would occupy is 0.0334 L</em></u>

4 0
4 years ago
I NEED HELP ASAP! WILL MARK AS BRAINLIEST
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Answer:

Sry i am unable to see the attached picture but i hope this helps

Explanation:

There are a couple of ways to prepare a buffer solution of a specific pH. In the first method, prepare a solution with an acid and its conjugate base by dissolving the acid form of the buffer in about 60% of the volume of water required to obtain the final solution volume

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Which best explains why the atomic theory is a scientific one?
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C

Explanation:

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