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LenKa [72]
3 years ago
9

A normal saline solution for injecting hospital patients is 0.90 % NaCl. What is the mass of NaCl

Chemistry
1 answer:
Cloud [144]3 years ago
6 0

Answer:

0.45 g

Explanation:

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The acid dissociation constant, ka, of acetic acid is 1.8 x 10-5. what is the pka of this acid?
Orlov [11]

Answer:    approximately 4.74pKa is when you take the -log10 of your Ka. Therefore, taking the -log10(1.8*10-5), we get a value of approximately 4.74 for our pKa for acetic acid.

Explanation: hope this helps

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How many moles are in 68.5 liters of oxygen gas at STP?
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The graph shows the distribution of energy in the particles of two gas samples at different temperatures, T1 and T2. A, B, and C
soldi70 [24.7K]

Based on the information given regarding the energy, the true statement is C.  "The number of particles able to undergo a chemical reaction is less than the number that is not able to."

<h3>What is energy?</h3>

It should be noted that energy is the quantitative property that must be transferred to a body to perform work on the body.

In this case, the graph is shown with two inverted graph curves running close to each other, and one of the curves labeled T1 is slightly more spread out than the other labeled T2.

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3 years ago
Why wouldn't the concorde travel lower
Alika [10]

Supersonic flight over land is typically forbidden to minimize disruption to people on the ground. This meant that until it was over open water, Concorde could not operate at its maximum Mach 2 capability.

<h3>What is Concorde?</h3>
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#SPJ1

5 0
1 year ago
What is found only in an experimental investigation?
andreev551 [17]
 Experimental investigations<span> involve a process in which a "fair test" is designed and variables are actively manipulated, controlled, and measured in an effort to gather evidence to support or refute a </span>causal relationship<span>. Experimental investigations have a control group which does not receive any treatment. A classic example is "What is the effect of light color on plant growth?" In this experiment, the variable color of light is changed by the student. The student may compare red light to green light to natural light.


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