Who said
"there are electrons dispersed evenly within a large area of positive material"
A. Rutherford
B. Schrodinger
C. Bohr
D. Thomas
Solved
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Ответ:
Awnser: The awnser would be (D) Thomas
Explanation:
Use Quizlet
Ответ:
The moles of ethanol is 0.0811 moles
calculation
molarity = moles of solute/ Kg of the solvent
where;
ethanol is the solute while water is the solvent
Molarity = 0.950 M
moles of the solute = ? moles
Kg of the solvent = 85.4 /1000 =0.0854 Kg
make moles of solute the subject of the formula by multiplying both side of the formula by Kg of the solvent
moles of solute = molarity x Kg of the solvent
= 0.950 x 0.0854 = 0.0811 moles