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Karolina [17]
2 years ago
5

What is the percent composition of N in HNO3 ?

Chemistry
1 answer:
bonufazy [111]2 years ago
4 0

Answer:

22.22%

Explanation:

N/HNO3*100

14/63*100

=22.22%

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For the following reaction, 3.70 grams of oxygen gas are mixed with excess carbon monoxide . The reaction yields 8.25 grams of c
Elden [556K]

Answer:

81% Yield

Explanation:

2CO        +               O₂                                =>     2CO₂

Excess                3.70g O₂                          =>     8.25g CO₂ (actural yield)

               (3.70g O₂)/(32g O₂/mol O₂)

                   = 0.1156 mol O₂                       =>  2(0.1156) mol CO₂

                                                                          = 10.175g (Theoretical Yield)

%Yield = (Actual Yield / Theoretical Yield)100%  

= (8.25g/10.175g)100% = 81% Yield

4 0
2 years ago
What is the density in g/L of gas with a molar mass of 2.016 g/mol at 4.77 atm and 118k?
kotegsom [21]

n / V = P / RT = (4.77 atm) / ((0.08205746 L atm/K mol) x (118 K)) = 0.4926 mol/L

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5 0
3 years ago
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Fe + O2 + H₂O- & Fe2O3 + H₂O. balance por el método de tanteo​
AveGali [126]

Answer:

Fe + O2 + H₂O___ Fe2O3 + H₂O.

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What is the mole ratio of aluminum to chlorine in the compound aluminum
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1:3
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2. Soil is made of <br> A. air<br> B. rocks<br> C. decomposed leaves<br> D. all of the above
Irina18 [472]

Answer:

B

Explanation:

<h2>Soil is a mixture of </h2><h2 /><h2>tiny particles of rock,</h2>

<h2>dead plants and animals </h2>

<h2>,air and water.</h2>
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3 years ago
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