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igomit [66]
3 years ago
6

PLZ HELP!!!! Will give brainliest

Chemistry
2 answers:
Travka [436]3 years ago
7 0
1.68M
Give brainliest if u can THX :)
7nadin3 [17]3 years ago
6 0

Answer:

1.68 M

Explanation:

Molar mass (KNO3)= 101.1 g/mol

89g KNO3* 1mol/101.1 g = 89/101.1 mol

(89/101.1 mol)/0.525 L= 1.68 mol/L = 1.68 M

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The combustion of ammonia in the presence of excess oxygen yields no2 and h2o: 4 nh3 (g) + 7 o2 (g) → 4 no2 (g) + 6 h2o (g) the
marshall27 [118]
The combustion of ammonia in presence of excess oxygen yields NO2 and H2O.
The molar mass of ammonia is 17.02 g/mol
Therefore, moles of ammonia in 43.9 g
          = 43.9 /17.02
          = 2.579 moles
From the equation the mole ratio of ammonia to nitrogen iv oxide is 4:4
The molar mass of NO2 is 46 g/mol
The number of moles of NO2 is the same as that of ammonia since they have equal ratio,
 = 2.579 moles
Therefore, mass of NO2
   = 2.579 moles ×46
   = 118.634 g
   ≈ 119 g


3 0
4 years ago
In a certain chemical process, water reacts with a compound, and the water is converted into another compound during the reactio
gtnhenbr [62]

Answer:

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A good example of hydration reaction is the reaction between alkene and water leading to the production of alcohol.

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8 0
3 years ago
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