590 mL = 590 cm³= 0,59 dm³
C = n/V
n = 1,1M × 0,59 dm³
n = 0,649 mol
_____________________________
M KNO₃ = 39g+14g+16g×3 = 101 g/mol
1 mole -------- 101g
0,649 --------- X
X = 101×0,649
X = 65,549g KNO₃
:)
Answer:
Explanation:
FROGS BREATHE THROUGH SKIN IN WATER AND THROUGH LUNGS ON LAND.
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The answer is chemical weathering
Answer: The vapor pressure of a solution in which the mole fraction of the solute is 0.200 is 80.0 torr
Explanation:
As the relative lowering of vapor pressure is directly proportional to the amount of dissolved solute.
The formula for relative lowering of vapor pressure will be,
where,
= vapor pressure of pure solvent = 100.0 torr
= vapor pressure of solution = ?
i = Van'T Hoff factor = 1 for nonvolatile, nonelectrolyte solute
= mole fraction of solute = 0.200
The vapor pressure of a solution in which the mole fraction of the solute is 0.200 is 80.0 torr
Many forensic tools that are available now were not available in the 15th century. For starters, microscopes did not exist in the fifteenth century so no finer details could be examined on documents. Now, there exist many different types of microscopes. Moreover, with new methods such as carbon dating, the age of different documents may be determine.
All of these differences from the fifteenth century have helped forensic analysts better analyze documents than analysts in the past could.
