Respuesta :
Since 1 mol of any substance is equivalent to 6.022 x 10^23 formula units (or whatever), we see that 5.55 x 10^22 formula units of CaCl₂ corresponds to:
(5.55 x 10^22)/(6.022 x 10^23) = 0.092 mol CaCl₂.
Since the molar mass of CaCl₂ is 40.08 + 2*35.45 = 110.98 g/mol, we have:
Mass CaCl₂ = 0.092 * 110.98 = 10.2 g.
I hope this helps!
(5.55 x 10^22)/(6.022 x 10^23) = 0.092 mol CaCl₂.
Since the molar mass of CaCl₂ is 40.08 + 2*35.45 = 110.98 g/mol, we have:
Mass CaCl₂ = 0.092 * 110.98 = 10.2 g.
I hope this helps!
The mass of calcium chloride by calculating molar mass and multiplying it by given mass the mass will be 10.2g
what is the molar mass?
Molar mass is the specified mass of a substance which is present in moles of a substance. The SI unit is gram per mole .it can be calculated by multiplying the given number in periodic table to the number of moles or atom given in data .
Molar mass of calcium chloride
mass of calcium = 40
mass of chloride = 35
molar mass = 40.078 + 35.4 × 2 = 110.98
calculating molar mass by Avogadro's number = 2.303 × 10²³ × 5.55 x 10
Avogadro constant = 2.303 × 10²³
mass of calcium chloride = 0.092 mol
mass of calcium chloride = molar mass × calculated molar mass
substituting the value,
mass of calcium chloride = 110.98 × 0.092 mol
mass 0f calcium chloride = 10.2 g
Therefore, the mass of calcium chloride by calculating the molar mass of calcium chloride will be 10.2 g
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