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
Ulleksa [173]
3 years ago
14

Ana and Eric are in a team to do the lab separation of solids. They weighed a sample of 3.58g. The weight loss is 1.20g after el

imination. After dissolving the leftover solids in water and decant, they recovered 0.97g of sand. Evaporating water from solution, 1.46g of salt were recovered. Calculate the mass percentage of three compounds in the mixture. What is the error (absolute) in term of mass percentage in their experiment
Chemistry
1 answer:
nordsb [41]3 years ago
5 0
I’m pretty sure the answer is B
You might be interested in
Which temperature scale has the highest value for the boiling point of water?
nydimaria [60]

Answer:

The Kelvin Scale has the highest value fir the boiling point of water. The Kelvin degree is the same size as the Celsius degree; hence the two reference temperatures for Celsius, the freezing point of water (0°C), and the boiling point of water (100°C), correspond to 273.15°K and 373.15°K, respectively.

4 0
3 years ago
What are 3 general rules to predict the stability of an isotope
Mashcka [7]
<span><span>1) Calculate the total number of nucleons (protons and neutrons) in the nuclide
<span>--> If the number of nucleons is even, there is a good chance it is stable.
</span></span><span><span>
2) Are there a magic number of protons or neutrons?
</span>--> 2,8,20,28,50,82,114 (protons), 126 (neutrons), 184 (neutrons) are particularly stable in nuclei.
</span><span>
3) Calculate the N/Z ratio.
<span>--> Use the belt of stability (Figure 1) to determine the best way to get from an unstable nucleus to a stable nucleus</span></span></span>
8 0
3 years ago
13. Base your answer to the following question on the information below and on your knowledge of chemistry.
ahrayia [7]

From our knowledge of periodic trends, the screening effect of the inner electrons outweigh the increase in nuclear charge causing the atomic radius to increase.

<h3>Periodic trends</h3>

The periodic trends are those properties that increase or decrease down the group or across the period. These periodic trends include;

  • Ionization energy
  • Electron affinity
  • Atomic radius
  • Ionic radius etc

As more shell are added down the group in group 14, the screening effect of the inner electrons outweigh the increase in nuclear charge causing the atomic radius to increase.

Learn more about periodic trends: brainly.com/question/12074167

8 0
3 years ago
Are sharks mammals pls answer​
ddd [48]

Answer:

no they are a fish

Explanation:

8 0
3 years ago
Describe how physical and chemical change may have affected by temperature
stepladder [879]
The heat changes the physical structure into a chemical structure because some of the cells in the physical structure are removed to make that physical structure a chemical structure
7 0
3 years ago
Read 2 more answers
Other questions:
  • 6. Mitosis starts and ends with diploid cells. That means they have two sets of chromosomes (both parents each contribute a set)
    13·1 answer
  • When a mixture of glucose 6-phosphate and fructose 6-phosphate is incubated with the enzyme phosphohexose isomerase, the final m
    11·2 answers
  • Which of the following are chemicals? (1) clothing (2)food (3)fuels (4)all of the above
    14·2 answers
  • 10 terminologias de educacion fisica con su definicion
    9·1 answer
  • How many electrons are in the outermost energy shell of a neutral magnesium atom?
    11·1 answer
  • Which of the following experimental methods cannot be used to measure the rate of a reaction?
    11·2 answers
  • Write or show a complete formation of the following ionic compounds <br>a)sodium oxide (Na2O)​
    10·1 answer
  • HELP PLEASE
    7·1 answer
  • PLEASE HELP
    7·2 answers
  • Which of the following chemical bonds holds together atoms in an acid?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!