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tigry1 [53]
2 years ago
9

A(n) _____ may be defined as a compound which contributes hydroxide ions or increases the OH- concentration when dissolved in wa

ter.
salt
base
ester
acid
Chemistry
2 answers:
erica [24]2 years ago
6 0

Answer:

Base

Explanation:

Bases on dissolving with water release hydroxide ions

Take a example of Sodium hydroxide

  • NaOH+H_2O-->Na_0+OH-
yulyashka [42]2 years ago
5 0

Answer:I think base

Explanation:

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The combustion reaction of octane is as follow,

                           C₈H₁₈  +  25/2 O₂     →     8 CO₂  +  9 H₂O

According to balance equation,

8 moles of CO₂ are released when  =  114.23 g (1 mole) Octane is reacted

So,

      6.20 moles of CO₂ will release when  =  X g of Octane is reacted

Solving for X,
                                     X  =  (114.23 g × 6.20 mol) ÷ 8 mol

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Result:
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