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andre [41]
3 years ago
15

How many valence electrons does phosphorus have?

Chemistry
1 answer:
snow_lady [41]3 years ago
8 0
Phosphorus has 5 valence electrons
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Many different processes, both natural and human-caused, can release carbon dioxide into the atmosphere. Which of the following
inn [45]

Answer:

carbon dioxide is added to the atmosphere naturally when organisms respire or decompose,  

Explanation:

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3 years ago
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A solution has a pH of 2.5. What is its [OH-] ?
gulaghasi [49]
POH=14-pH=14-2.5=11.5 pH=-log[H+] 2.5=-log [H+] [H+]=10^-5/2 [OH-]=10^(14-5/2)=10^23/2
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3 years ago
0.467 mol NaCl are needed to
Alisiya [41]

Answer:

27.4 gram is the solution it's simple dude...

Explanation:

don't be afraid of huge question they confuse you you need not to be confused

now see simple solution

molality is denoted by m

so

m= moles of solute / mass of solvent in kg.

i hope your know the meaning of solute and solvent....

so moles are given 0.467

and molar mass is given 58.44

so just take out the gram means

by applying formula

58.44×0.467

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8 0
2 years ago
Complete the following chart to fill in the blanks
raketka [301]
Im so sorry i don’t know I just need to answer 2 questions for me to be Able to ask
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3 years ago
Salts are which part of an aqueous solution?
masha68 [24]

Explanation:

Salts are the solutes in an aqueous solution. An aqueous solution is solution whose solvent water.

  • To form a solution,a solute must be dissolved in a solvent.
  • For aqueous solutions, the solvent which is the dissolving medium is made up of water.
  • The solute is the substance that is dissolved in it.
  • Salts for example can be a solute in an aqueous solution.
  • A salt is generally an ionic compound consisting of positive ions such as metallic, ammonium ans complex ions and negative ions such as acid radicals and complex ions.

Learn more:

Aqueous solution brainly.com/question/8426727

#learnwithBrainly

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3 years ago
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