1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivanshal [37]
3 years ago
8

What is the indicator of the number of ions in solution?

Chemistry
2 answers:
lutik1710 [3]3 years ago
8 0

Answer:

The amount of solute added.

Explanation:

The number of particles in one mole is given by the Avogadro's number which is 6.022*10^{-23}. We denotes by  L is the avogadro's number.

To calculate the number of ions in a solution:

Calculate the number of moles, by dividing the mass of sample by the molar mass of the compound, then calculate the formula and multiplying by avogadro's number( 6.022*10^{-23}).

The number of solute is directly proportional to number of ions. The higher the number of solute, then higher the number of ions and number of moles.

Andru [333]3 years ago
3 0

Answer:

The amount of solute added.

Explanation:

The amount of solute added is directly proportional to the number of ions.

The higher the amount added the higher the number of moles.

The number of moles is multiplied by the Avogadro's constant to get the number ions.

No of ions= No of moles × L

L is the Avogadro's number.

You might be interested in
Lt takes 4 hr 39 min for a 2.00-mg sample of radium-230 to decay to 0.25 mg. what is the half-life of radium-230?
Rufina [12.5K]
Radioactive decay => C = Co { e ^ (- kt) |

Data:

Co = 2.00 mg
C = 0.25 mg
t = 4 hr 39 min

Time conversion: 4 hr 39 min = 4.65 hr

1) Replace the data in the equation to find k

C = Co { e ^ (-kt) } => C / Co = e ^ (-kt) => -kt = ln { C / Co} => kt = ln {Co / C}

=> k = ln {Co / C} / t =  ln {2.00mg / 0.25mg} / 4.65 hr = 0.44719

2) Use C / Co  = 1/2 to find the hallf-life

C / Co = e ^ (-kt) => -kt = ln (C / Co)

=> -kt = ln (1/2) => kt = ln(2) => t = ln (2) / k

t = ln(2) / 0.44719 = 1.55 hr.

Answer: 1.55 hr
6 0
3 years ago
The functional structure of a protein is its _________________ structure, which is ultimately determined by the ________________
Dmitriy789 [7]

Answer:

A.

Explanation:

The <u>tertiary structure </u>of proteins is related to the interactions between the amino acids of the <u>primary structure</u>. Thus, these interactions give it a specific three-dimensional configuration which is very sensitive to <u>functionality</u>.

For example, <u>allosteric inhibitions</u> are related to this concept. When the <u>inhibitor</u> changes the tertiary structure of the protein it loses all <u>activity</u> and for the catalysis of the reaction.

Thus, the primary structure (which is related to the specific <u>sequence of amino acids</u>) will determine the tertiary structure since the chain folds will be a consequence of<u> intra-amino acid interactions</u>.

8 0
3 years ago
Read 2 more answers
10. Isolation of a pure sample of the third product, which has been determined to be an isomer of the major and minor products,
Ymorist [56]

Answer:

Four possible isomers (1–4) for the natural product essramycin. The structure of compound 1 was attributed to essramycin by 1H NMR, 13C NMR, HMBC, HRMS, and IR experiments.

Explanation:

Three synthetic routes were used to prepare all four compounds (Figure 2A). All three reactions utilize 2-(5-amino-4H-1,2,4-triazol-3-yl)-1-phenylethanone (5) as the precursor, whereas each uses different esters (6–8) to construct the pyrimidinone ring. Isomer 1 was prepared by reaction A, which used triazole 5 and ethyl acetoacetate (6) in acetic acid. This was the reaction used in syntheses of essramycin by the Cooper and Moody laboratories.3,4 Reaction B produced compound 2 (minor product) and compound 3 (major product), which were separated chromatographically. This reaction allowed reagent 5 to react with ethyl 3-ethoxy-2-butenoate (7) in the presence of sodium in methanol, under reflux for 24 h. Compound 4 was prepared by reaction C, which was obtained by reflux of 5 and methyl 2-butynoate (8) in n-butanol.

7 0
3 years ago
If you subtract an objects starting velocity from its final velocity and divide by the time it took to change velocity, what are
amid [387]
Change in velocity over time is acceleration. 

You're finding acceleration . 
7 0
3 years ago
Atom A has 32 protons and 35 neutrons. atom B has 32 protons and 33 neutrons. are they isotopes?
Anna007 [38]
Yes because the protons are the same but the neutrons change
8 0
3 years ago
Other questions:
  • Is there a difference between mole ratio and molar ratios?
    13·2 answers
  • In general, when a substance changes from a solid to a liquid,
    14·1 answer
  • Newtons second law deals most cosely with
    5·1 answer
  • How many Electrons, Neutrons &amp; Protons do
    9·2 answers
  • On your first day working in a laboratory, you are told to make up 1 Liter of a 0.5 Molar Tris solution with a pH of 7.4. You me
    8·1 answer
  • What do SPF sunscreen and ozone in the earths atmosphere do
    14·1 answer
  • Use a sheet of paper to answer the following question. Take a picture of your answers and attach to this assignment. Draw the st
    8·1 answer
  • Lucky charms <br>A. Element <br>B. Compound <br>C.Homogeneous Solution D.Heterogeneous​
    12·1 answer
  • 3. Which element has the ground state electronic configuration, 1s22s22p63s23p645' ?
    8·1 answer
  • At standard temperature and pressure. 0.500 mole of xenon gas occupies
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!