What is the indicator of the number of ions in solution?
2 answers:
Answer:
The amount of solute added.
Explanation:
The number of particles in one mole is given by the Avogadro's number which is 6.022*. We denotes by L is the avogadro's number.
To calculate the number of ions in a solution:
Calculate the number of moles, by dividing the mass of sample by the molar mass of the compound, then calculate the formula and multiplying by avogadro's number( 6.022*).
The number of solute is directly proportional to number of ions. The higher the number of solute, then higher the number of ions and number of moles.
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Answer:
a)
b)
c)
Explanation:
The symbols of the isotopes are written like
where,
X is the element
A is the mass number (protons + neutrons)
Z is the atomic number (protons)
<em>a) Iodine-131</em>
The atomic number of iodine is 53. The mass number of this isotope is 131. The symbol is .
<em>b) Iridium-192</em>
The atomic number of iridium is 77. The mass number of this isotope is 192. The symbol is .
<em>c) Samarium-153</em>
The atomic number of samarium is 62. The mass number of this isotope is 153. The symbol is .