Which of these could be separated by distillation or filtration
2 answers:
Answer: Option (B) is the correct answer.
Explanation:
A process where solute or solid particles which are present in a liquid or gas are separated out with the help of a filter medium like filter paper is known as filtration process.
For example, sand can be separated out from water by using a filter paper.
Components of a mixture can never combine chemically with each other.
Whereas, an element is a substance which contains only one type or kind of atoms.
For example, a pure zinc will contain only atoms of zinc.
A compound is defined as the substance in which different elements are chemically combined together in a fixed ratio by mass.
For example, is a compound and elements are present in 1:4 ratio.
A compound can be divided into its constituent or simpler substances.
Thus, we can conclude that a mixture could be separated by distillation or filtration.
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Answer:
The answer to your question is: letter E, 1.77 L of 1.55 M Ba(NO3)2
Explanation:
Formula
Molarity =
moles = Molarity x volume (L)
a. 2.58 L of 0.0250 M Ba(NO3)2
moles = (0.025) (2.58)
moles = 0.065 M
b. 19.23 mL of 8.5 × 10−2 M Ba(NO3)2
moles = (8.5 x 10 ⁻²) (0.01923)
moles = 0.0016
c. No right answer.
d. 26.20 mL of 2.21 M Ba(NO3)2
moles = (2.21)(0.0262)
moles = 0.058
e. 1.77 L of 1.55 M Ba(NO3)2
moles = (1.55)(1.77)
moles = 2.74 This solution needs the greatest concentration of
Ba(NO₃)₂