A student dissolves 14. g of sucrose (C,H,O,) in 450. mL of a solvent with a density of 0.85 g/mL. The student notices that the volume of the solvent does not change when the sucrose dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits. molarity %3D 믐 molality %3D olo

How many grams of water must be used to prepare a 2.50 percent by mass (%m/m) sodium hydroxide (NaOH) solution from 12.7 g NaOH?    Report your result in decimal notation and to the proper number of significant figures. All numbers are measured.   a) 2.50 g water b) 5.08 g water c) 12.7 g water d) 495 g water e) 508 g water

Your know-it-all classmate just explained to the class that NaCl is a gas because the line on the graph is basically flat. Is your classmate correct? Explain your reasoning. 100 NaNO, 80 06 70 60 CaCl 50 Pb(NO)2 40 NaCI KCI 30 20 KCIO, 10 Ce,(SO 0. 10 20 30 40 50 60 70 80 90 100 Temperature (°C) Solubility (g of salt in 100 g H,O) CONS

An aliquot of 49.47 mL of methanol is mixed with water such that the total volume of the solution is 170.00 mL. Determine the concentration of methanol in percent by volume (% v/v). Report answer to the correct number of significant figures.

Calculate the volume in liters of a 0.163M potassium dichromate solution that contains 100. g of potassium dichromate (K,Cr,0,). Be sure your answer has the correct number of significant digits. L x10

What is the normality of a solution made by dissolving 10.00 g of hydrogen phosphate, H3PO4 in water to a volume of 150 mL? Note: Please present complete solution. Express your final answers up to two (2) decimal places.

Observe the graph below. According to the chart shown above, if the saturated solution of glucose at 80°C was suddenly cooled to 40°C, what would happen? Solubility of Glucose in Water 600 S00 400 300 200 100 20 40 80 100 Temperature (Celsius) An additional 300 grams of glucose could dissolve. O The solution would spontaneously cool to 200°C. O The solution becomes supersaturated. O Nothing special would happen; the increased temperature just made the dissolving process quicker. Dissolved Mass (grams)

The solubility in water of ionic compound X is measured and found to be 77.3 g at 25. °C. Calculate the volume of a saturated solution of X in L water that would contain 50.0 g of X at this temperature. Be sure your answer has the correct unit symbol and 3 significant digits. x10 0.0 X μ

May you answer and explain this please?

A chemist prepares a solution of barium chlorate by measuring out 28.6 implying of barium chlorate into 100mL volumetric flask filling the flask to the mark with water. Calculate the concentration in mol/ L of the chemist's barium chlorate solution. Round your answer to 3 significant digits.