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schepotkina [342]
2 years ago
9

Match the following scientist with his experiment or contribution

Chemistry
1 answer:
Verdich [7]2 years ago
3 0

J. J. Thomson - oil drop

Albert Einstein - atomic theory

Niels Bohr - model of the atom

Ernest Rutherford - gold foil experiment

John Dalton - cathode ray tube

Robert Millikan - photoelectric effect

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a technician mixes 80 ml of a 5% solution with 10 ml of water. what is the final percentage strength of the solution prepared?
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A technician mixes 80 ml of a 5% solution with 10 ml of water.  the final percentage strength of the solution prepared is 40 %.

given that :

8 ml of a 5 % solution mix with 10 ml . that means the 80 mL of 5 % solution is diluted with water of 10 mL

therefore, 80 × 5 = 10 × x %

x % = 40 %

Therefore, the final percentage strength of the solution is 40 %

Thus, A technician mixes 80 ml of a 5% solution with 10 ml of water.  the final percentage strength of the solution prepared is 40 %.

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