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laiz [17]
2 years ago
9

Can someone please help I’ll give brainliest!!!

Chemistry
1 answer:
padilas [110]2 years ago
5 0
Single replacement because only one letter is being switched out in the reaction
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1. The Rast method for determining molar masses uses camphor as the solvent. Camphor melts at 178.4 °C, and its large Kf (37.7 K
sergejj [24]
The melting point of camphor is 178.4°C which is also the freezing point.
After the unknown substance is added, the freezing point is reduced to 173.6°C.
The freezing point depression is
178.4°C - 173.6°C = 4.8°C
The molar mass of the substance can be found using the equation
Kf m = 4.8
37.7 (0.664 / MW) = 4.8
MW = 5.22 g/mol
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3 years ago
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8 0
3 years ago
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What is another name for the molecular orbital theory of bonding in metals
Ivan
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If an ion had a charge of (-3), how many valence electrons could be expected
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