Certain fish species use bioluminescence as a form of "night light". Some use it for communication. Certain species of crustaceans send out coded signals to others of their own kind during mating season. Other creatures use bioluminescence as a trap.
Answer:
0.5133805136 moles.
Explanation:
1 gram of Al2(Co3)3 equals 0.0017112683785004 moles, we need the amount of moles produced in 300 grams of Al2(CO3)3, so we have to multiply 1 gram of Al2(CO3)3 times 300: 0.0017112683785004 x 300, in conclusion,
300 grams of Al2(Co3)3 equals 0.5133805136.
KHP stands for potassium hydrogen phthalate which is the monopotassium salt of phthalic acid.
KHP dissociates completely in water to form K(+) + HP(-); and HP(-).
HP(-) dissolves as per HP(-) + H2O ⇄ P(2-) + H3O(+).
That means that KHP the neutralization ratio of KOH and KPH is 1:1.
So, 1 mole of KOH neutralizes 1 mol of KPH.
Calculate the moles of KPH in 0.2841 grams.
You need the molar mass of KPH. Its molecular formula is C8H5KO4 and its molar mass is 204.22 g/mol
= n = 0.2841 g / 204.22 g/mol = 0.00139 moles of KPH.
Now, calculate the volumen of 18.68 M KOH solution that contains that number of moles:
M = n / V => V = n / M = 0.00139 moles / 18.68 M = 0.0000744 l = 0.0744 ml.
The concentration of the KOH solution is given in the statement: 18.68 M.
That is a weird value for the concentration so may be your question has some mistake.
Answer: 0.0744 ml