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Lubov Fominskaja [6]
3 years ago
12

In science what can only be separated by Chemical methods​

Chemistry
1 answer:
PilotLPTM [1.2K]3 years ago
5 0

Answer:

A mixture is a physical combination of substances thus it only requires physical processes to separate.

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Ultra Clorox bleach is 6.68% sodium hypochlorite in water. How much of each is needed to make an 800.mL bottle?
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If we have 6.68% NaClO, it is the same as saying--> 6.68 grams NaClO= 100 mL of solution. we can use this as a conversion. 

800. mL (6.68 mL/ 100 mL)= 53.4 mL

solution = solute + solvent

solute= NaClO
solvent= H2O

solvent= 800-53.4= 747 mL of H2O

so, we you need 53.4 mL of NaClO and 747 mL of water or 53.4 grams of NaClO and 747 mL of water
7 0
3 years ago
To make 340mL of a 0.4 M solution of Lici, how many mL of a 8 M solution should be used?
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Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains. Volume is often quantified numerically using the SI derived unit, the cubic metre.

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I hope it helps

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