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Korolek [52]
1 year ago
6

The atomic number of aluminum is 13. What is the correct designation of the electron configuration of aluminum?.

Chemistry
1 answer:
Svetlanka [38]1 year ago
3 0

Answer:

Its 1s22s22p63s23p1 ik it looks a lil goofy but i think its right

Explanation:

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What's the preview of the scientific method
Dafna11 [192]

Explanation:

overall preview would be an expirement is an empirical procedure that arbitrates competing models or hypothesis ☺️

5 0
3 years ago
It is not f so it could be anyother answer
uysha [10]
H is the answer :)
Hope that helps
4 0
3 years ago
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A 20.00 ml sample of a solution of sr(oh)2 is titrated to the equivalence point with 40.03 ml of 0.1159 n hcl. what is the molar
goblinko [34]
The   molarity  of Sr(OH)2  solution is  =  0.1159 M

    calculation
write the equation  for reaction
that is,  Sr(OH)2 +2HCl→ SrCl2 + 2 H2O

then finds the mole  of HCl used

moles = molarity x volume 
=40.03 x0.1159 =  4.639 moles

by  use of mole ratio between Sr(OH)2 to  HCL which is 1 :2  the moles of Sr(OH)2  is therefore =  4.639  x1/2 = 2.312  moles

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3 0
3 years ago
In what organelle does photosynthesis occur
Fofino [41]

Answer:

chloroplasts

Explanation:

In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.

5 0
3 years ago
) How many moles are there in 2.00 x 10^19 molecules of calcium phosphate?
Tamiku [17]

Answer:

\huge 3.322 \times  {10}^{ - 5}  \:  \: moles  \\

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{2.00 \times  {10}^{19} }{6.02 \times  {10}^{23} }  \\  \\  = 3.322 \times  {10}^{ - 5}  \:  \: moles

Hope this helps you

4 0
3 years ago
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