Answer:
An aqueous solution of will be an acid and have a pH of less than 7.
An aqueous solution of will be a neutral solution and have a pH equal to 7.
An aqueous solution of will be an base and have a pH of more than 7.
Explanation:
pH is defined as the negative logarithm of the concentration of hydrogen ions.
Thus,
pH = - log [H⁺]
pH scale generally runs from 1 to 14 where pH = 7 represents neutral medium, pH < 7 represents acidic medium and pH > 7 represents basic medium.
Thus,
<u>An aqueous solution of will be an acid and have a pH of less than 7.</u>
<u>An aqueous solution of will be a neutral solution and have a pH equal to 7.</u>
<u>An aqueous solution of will be an base and have a pH of more than 7.</u>
C is the correct answer
both metals and non-metals
like Boron(B) and Silicon(Si)
good luck
Answer:
Mass = 206.38 g
Explanation:
Given data:
Mass of calcium chloride = 80.0 g
Mass of silver chloride formed = ?
Solution:
Chemical equation:
CaCl₂ + 2AgNO₃ → Ca(NO₃)₂ + 2AgCl
Number of moles of CaCl₂:
Number of moles = mass/molar mass
Number of moles = 80.0 g/ 110.98 g/mol
Number of moles = 0.72 mol
Now we will compare the moles of CaCl₂ and AgCl
CaCl₂ : AgCl
1 : 2
0.72 : 2/1×0.72 = 1.44 mol
Mass of silver chloride:
Mass = number of moles × molar mass
Mass = 1.44 mol × 143.32 g/mol
Mass = 206.38 g
Step by step explanation is given above.
PH = -log[H⁺]
2,32 = -log[H⁺]
[H⁺] = 10^-2,32
<u>[H⁺] = 0,0047863 mol/dm³
</u>_____
:)