At 36.0 °C the density of water is 0.9936870 g/cm3. At 37.0 °C the density of water is 0.9933390 g/cm3. Use linear interpolation to calculate the density (D) of water at 36.6 °C, to the nearest 10-7g/cm3.
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At 36.0 °C the density of water is 0.9936870 g/cm3.
At 37.0 °C the density of water is 0.9933390 g/cm3.
Use linear interpolation to calculate the density (D) of water at 36.6 °C, to the nearest 10-7g/cm3.
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- A certain substance X has a normal boiling point of 131.9°C and a molal boiling point elevation constant =Kb·1.78°C·kgmol−1. A solution is prepared by dissolving some urea ((NH2)2 CO) in 600.g of X. This solution boils at 133.7°C. Calculate the mass of urea that was dissolved. Round your answer to 2 significant digits.A certain liquid X has a normal boiling point of 147.30°C and a boiling point elevation constant =Kb2.24·°C·kgmol−1. Calculate the boiling point of a solution made of 14.0g of sodium chloride (NaCl) dissolved in 750.g of X.Round your answer to 5 significant digits. (Please dont round calculations untill the end.) °CA chemistry student adds a quantity of an unknown solid compound X to 600. mL of distilled water at 25.° C. After 10 minutes of stirring, only a little X has dissolved. The student then drains off the solution and evaporates the water under vacuum. A precipitate is left behind. The student washes, dries and weighs the precipitate. It weighs 48.0 g. yes Using only the information above, can you calculate the solubility of X in water at 25.° C ? no If you said yes, calculate it. Be sure your answer has a unit symbol and 3 significant digits. 미
- You have a flask weighing 121.214 g. To this flask, you added 25.00 mL KCl(aq) solution. You weigh the flask, it is now 150.234 g. You then take the flask to a heating source and evaporate all solvents. When the flask cool down to room temperature, you weigh the flask again, it is 124.231 g. What is the molality of the KCI (aq) solution? The amus for K is 39 and Cl is 35.5, respectivelyA chemistry student adds a quantity of an unknown solid compound X to 450. mL of distilled water at 25.° C. After 10 minutes of stirring, only a little X has dissolved. The student then drains off the solution and evaporates the water under vacuum. A precipitate is left behind. The student washes, dries and weighs the precipitate. It weighs 94.5 g. O yes Using only the information above, can you calculate Ox10 the solubility of X in water at 25.° C? O no If you said yes, calculate it. Be sure your answer has a unit symbol and the right number of significant digits.A certain liquid X has a normal boiling point of 130.50°C and a boiling point elevation constant =Kb1.17·°C·kgmol−1 . A solution is prepared by dissolving some sodium chloride ( NaCl ) in 550.g of X . This solution boils at 131.7°C . Calculate the mass of NaCl that was dissolved.
- 4 g The solubility of Co(OH), in water at 25 °C is measured to be 6.4 × 10 for Co (OH), Use this information to calculate Kn Round your answer to 2 significant digits. boA student mixes 20.0 g of a salt in 100.0 g of water at 20 °C and obtains a homogeneous solution. Which salt could this be and why? The solubility of KCI at 20 °C in 100.0 g of water is 10.0 g and the solubility of KNO3 at 20 °C in 100.0 g of water is 30.0 g. O KCI because it is saturated. O KCI because it is unsaturated. O KNO3 because it is saturated. O KNO3 because it is unsaturated.A chemistry student adds a quantity of an unknown solid compound X to 550. mL of distilled water at 30.° C. After 10 minutes of stirring, all of the X has dissolved. The student then drains off the solution and evaporates the water under vacuum. A precipitate is left behind. The student washes, dries and weighs the precipitate. It weighs 19.3 g. O yes Ox10 Using only the information above, can you calculate the solubility of X in water at 30.° C? O no If you said yes, calculate it. Be sure your answer has a unit symbol and the right number of significant digits.