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Nataly [62]
3 years ago
11

7

Chemistry
2 answers:
Irina-Kira [14]3 years ago
5 0
E. Volume is the answer
Umnica [9.8K]3 years ago
3 0
Answer: Volume im pretty sure
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Lead(II) nitrate and ammonium iodide react to form lead(II) iodide and ammonium nitrate according to the reaction Pb ( NO 3 ) 2
nikklg [1K]

Answer : The volume of NH_4I solution required is, 2.93 L

The number of moles of PbI_2 formed from the reaction is, 0.662 moles.

Explanation :

First we have to calculate the initial moles of Pb(NO_3)_2.

\text{Moles of }Pb(NO_3)_2=\text{Concentration of }Pb(NO_3)_2\times \text{Volume of solution}

\text{Moles of }Pb(NO_3)_2=0.700M\times 0.945L=0.662mol

Now we have to calculate the moles of NH_4I

The balanced chemical reaction is:

Pb(NO_3)_2(aq)+2NH_4I(aq)\rightarrow PbI_2(s)+2NH_4NO_3(aq)

From the balanced chemical reaction we conclude that,

As, 1 mole of Pb(NO_3)_2 react with 2 moles of NH_4I

So, 0.662 mole of Pb(NO_3)_2 react with 0.662\times 2=1.32 moles of NH_4I

Now we have to calculate the volume of NH_4I

\text{Volume of }NH_4I=\frac{\text{Moles of }NH_4I}{\text{Concentration of }NH_4I}

\text{Volume of }NH_4I=\frac{1.32mol}{0.450mol/L}=2.93L

Now we have to calculate the moles of PbI_2

From the balanced chemical reaction we conclude that,

As, 1 mole of Pb(NO_3)_2 react to give 1 moles of PbI_2

So, 0.662 mole of Pb(NO_3)_2 react to give 0.662 moles of PbI_2

Thus, the number of moles of PbI_2 formed from the reaction is, 0.662 moles.

7 0
3 years ago
Help fast! <br> Determine the density of a liquid if it’s mass is 50.5 grams.
Leto [7]

Answer:

do we have the volume ?

Explanation:

6 0
3 years ago
What is the predicted order of first ionization energies from highest to lowest for aluminum, phosphorus, silicon, and sulfur?
DochEvi [55]

This is the answer


P > S > Si > Al


Phosphorus is in group 15 and sulfur is in group 16 so the ionization energies is a little bit lower the phosphorus.

7 0
3 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST!!!!!!!!!!
oksano4ka [1.4K]
Hello.

 <span>HI + NaOH --> NaI + H2O 

2HClO4 + Sr(OH)2 --> Sr(ClO4)2 + 2H2O
</span>
Have a nice day
7 0
4 years ago
4. How many atoms are there in 4 moles<br> of sulfur?
jekas [21]

Answer:

32.065 g/mol times 4

3 0
3 years ago
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