The graph below shows the changes in the temperature of ice when it is
heated from -20°C to 100 °C.
100
D
E
80
60
Temperature (°Celsius)
40
20
O
B
-20/A
Addition of heat over time
2010 FLVS
Based on the graph, which of these conclusions is correct? (2 points)
Solved
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Ответ:
? moles 2.0x10²² molecules
moles H2O = (2.0x10²²) x 1 / 6.02x10²³
moles H2O = 2.0x10²² / 6.02x10²³
=> 0.033 moles of H2O