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Ostrovityanka [42]
3 years ago
9

Which statement best describes what makes a base weak? A base is weak when it forms few ions in water. A base is weak when only

a little of it is dissolved in water. A base is weak when its concentration is high. A base is weak when it totally forms ions in water.
Chemistry
1 answer:
mina [271]3 years ago
3 0

Answer:

A base is weak when only a little of it is dissolved in water

Explanation:

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Whic of the following are causes of cataracts select all that apply
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Answer:

1.  Previous Eye Surgery .

Explanation:  

1. Your medical history can also affect your vulnerability to cataracts. For instance, a previous eye surgery can cause secondary cataracts. Other conditions including diabetes and excessive use of steroids accelerate the chances of cataracts once a person has already undergone previous eye surgeries.

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3 years ago
In a chromatography experiment, chlorophyll pigments are separated using paper. What is the stationary phase in this experiment?
Bond [772]
Answer:
The stationary phase in chromatography experiment is paper.

Explanation:
In chromatography experiment, the stationary phase is defined as the fixed substance that is necessary to start chromatography. In our case, this fixed substance is paper, so that makes paper our stationary phase.

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4 0
3 years ago
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How does nuclear fission produce energy answer.com?
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Nuclear energy originates from splitting of uranium atoms a process called fission. This generates heat to produce steam.

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3 years ago
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Familiar solutions can have a wide range of pH levels. According to the chart, which is the strongest acid, based on its pH leve
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Answer:

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A sample containing 16.93 metal pellets is poured into a graduated cylinder containing 11.2 of water, causing the water level in
mixer [17]

Answer:

<h3>The answer is 1.99 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 16.93 g

volume = final volume of water - initial volume of water

volume = 19.7 - 11.2 = 8.5 mL

We have

density =  \frac{16.93}{8.5}  \\  = 1.9917647058...

We have the final answer as

<h3>1.99 g/mL</h3>

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3 years ago
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