Calculate the molar mass of the unknown compound
A 0.0355 g sample of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Upon cooling, the camphor freezes at 157.7°C. Calculate the molar mass of the unknown compound.
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Small spheres of equal mass are made of lead (density =11.3 {rm g}/{rm cm}^{3}), silver (10.5 {rm g}/{rm cm}^{3}), and aluminum (2.70 {rm g}/{rm cm}^{3}). Without doing a calculation, list the spheres in order from the largest to the smallest.
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A 1.00 L flask containing 14.8 g NaHCO3 is evacuated and heated to 125°C. Calculate the partial pressures of CO2 and H2O after equilibrium is established
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