A gram of NaOH required to neutralize 700 ml HCL is <u>84 grams.</u>
Neutralization or neutralization is a chemical response in which an acid and a base react quantitatively with each different. I
Moles of solute = Molarity × Liters of solution
= 3 × 0.7 L
= 2.1 mole
The molar mass of NaOH = 40
mass of NaOH = 40 × 2.1 g
=<u> 84 gram.</u>
A neutralization response may be described as a chemical reaction in which an acid and base quantitatively react together to shape salt and water as products. In a neutralization response, there's a combination of H+ ions and OH– ions that form water.
A neutralization response is when an acid and a base react to shape water and salt and includes the mixture of H+ ions and OH- ions to generate water. The neutralization of a sturdy acid and robust base has a pH equal to 7.
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Answer:
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81.9 % is the percent yield of reaction of zinc with iodine producing ZnI2.
Explanation:
Balanced chemical equation for the reaction:
Zn + I2 ⇒ ZnI2
Data given:
mass of sample zinc = 129 grams
mass of ZnI2 formed = 510.6 grams (actual yield)
number of moles = 
number of moles of zinc = 
= 1.97 moles
from stoichiometry
1 mole of Zn reacts to form 1 mole of ZnI2
1.97 moles of Zn will form 1.97 moles of ZnI2
atomic mass of ZnI2 = 319.22 grams/mole
mass of ZnI2 formed = 628.86 grams (theoretical yield)
% yield =
x100 equation 1
from the reaction,
Putting the values in equation 1
% yield =
x 100
= 81.19 % is the % yield.
Answer:
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