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- Solid particles in water may exist in 3 ways - dissolved, dispersed, or suspended. (True/False) When a previously dissolved solid separates from water either via chemical reaction or a change in certain condition like pH or temperature, it forms a______.Chemistry need answers for solution assessment.Convert 0.30 mg L-1 to ppb. Put value without unit.
- fill in the blanks solution volume is 50/1000A homogeneous mixture consists of 5% methanol, 70% isopropanol, and 25% water. Label these components as solvents or solutes. methanol: [ Select ] isopropanol: [ Select ] water: [ Select ]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.
- *Density of toluene 0.86g/mL Calculate the volume of toluene needed to make 50 mL of a 780 micrograms /mL solution. Round to the nearest microliter.Calculate the density in g/mL of 0.362 L of solution weighing 248 grams. 7.23 24.8 0.685Current Attempt in Progress From the curves shown in Animated Figure and using the following Equation, determine the rate of recrystallization for pure copper at the several temperatures. Make a plot of In(rate) versus the reciprocal of temperature (in K-1). (a) Determine the activation energy for this recrystallization process. (See Section FACTORS THAT INFLUENCE DIFFUSION.) (b) By extrapolation, estimate the length of time required for 50% recrystallization at room temperature, 20°C (293 K). (a) i kJ/mol (b) i days