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ozzi
3 years ago
12

Which fatty acid salt is soluble in water solutions?

Chemistry
1 answer:
Oliga [24]3 years ago
4 0
Answer is (A)
Pottasium and Sodium salts are soluble in water. When these soaps are added to hard water. Hard water contains calcium or magnesium ions and they form Magnesium or Calcuim salts. These salts of magnesium and calcium precipitates out and are insoluble in water. This precipitation is called as dirt (the exact word for dirt is not acceptable here). This process is considered as the disadvantage of soap as well as using hard water.

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2. How many atoms are in 5.6 moles of Na? Answer:___3.2 E 24 atoms of Na​
jeyben [28]

Answer:

5.6\frac{6.02*10^{23} }{1} = 3.4 X 10^{24}

Explanation:

the correct answer to it is 3.4 instead of 3.2. I got 3.4 from rounding it from 3.37.

8 0
4 years ago
What is the pH of a solution with a concentration of 1.0 * 10-4 M?
Maksim231197 [3]

Answer: pH = 10

Explanation: First solve for pOH using the equation pOH=-log[OH-] = 4

Then plug the pOH in the equation, pH + pOH =14

then solve for pH. pH =14 - 4 = 10

7 0
3 years ago
Read 2 more answers
Which of the following correctly represents the radioactive decay of cesium-137?
Lelu [443]
The decay mode of cesium-137 is beta decay. This means that the cesium-137 decays into a beta particle and a nuclide with the same mass number, but with a charge number that is 1 more than that of cesium.

Therefore, this means Cs-137 decays into an electron and Barium-137, meaning the answer is choice 1.
6 0
2 years ago
28.What is the correct IUPAC name for the following compound?A)12-crown-5B)12-crown-4C)4-crown-12D)12-crown-12E)Cyclododecane te
mariarad [96]

Answer:

12-crown-4

Explanation:

We must recall that any structural moiety in organic chemistry having the R-O-R unit is an ether. If the oxygen form a ring in which they are sandwiched in between carbon atoms, the compound is known as a crown ether. The name emanates from the close resemblance of the compound to an actual crown.

If we want to name the crown ether, we first count the number of carbon atoms present and the number of oxygen atoms present. The correct name is now, total number of carbon + oxygen atoms -crown- number of oxygen atoms, in this case; 12-crown-4, hence the answer.

5 0
3 years ago
The reaction of 2-methylbutane with chlorine would yield how many monochloro derivatives (include stereoisomers)?
zimovet [89]
The reaction  of  2  methylbutane  with   chlorine  yield  5 monochloro  derivative.   Methylbutane  has  four  carbon  atoms  which  react with   chlorine.  The  carbon  with antibonding  will  be  chiral   and  it  will react  with  chlorine. there  will  be  four  difference  group  around  chiral  carbon  hence  it  will  have  stereoisomers.
7 0
3 years ago
Read 2 more answers
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