The one with the highest number of particles in solution. Which will that be?
Non-Electrolyte is the answer
20) The ideal value of i (van't Hoff factor) for (NH4)3PO4. A) 2 B) 5 C) 4 D) 3 E) 1 I know the answer but how are problems like this figured out?
The Weight of a small Starbucks coffee is normally distributed random variable with a mean of 360 grams and a standard deviation of 9 grams. Find the weight that corresponds to each event. a. highest 10% b. highest 50% c. highest 5% D. highest 80% e.
will a red blood cell undergo crenation, hemolysis, or no change in each of the following solutions? 1% (m/v) glucose 2% (m/v) NaCl 5% (m/v) NaCl .1% (m/v)NaCl
The thermal decomposition of 1.6608 g of MgSO4 * H2O produces 1.4446 g of a product in a well-behaved reaction. There are two possibilities: 1) MgSO4 * H2O(s) -> MgSO4(s) + H2O(g) 2) MgSO4 * H2O(s) -> MgO(s) + SO3(g) + H2O(g) Complete the following table,
I don't remember my instructor going over this and the book isn't explaining it very well. Can anyone help answer these? Indicate the concentration of each ion or molecule present in the following solutions. 1. 0.30 M NaNO3 2. 1.5x10^-2 M MgSO4 3.
1.) The cost in C dollars of manufacturing x bicycles at Holliday's Production Plant is given by the function C(x) = 2x2 - 800x + 92,000. Find the minimum cost. 2.) The vertex of y = -3x2- 6x - 9 lies in which quadrant? 3.) Given f(x) = 1/3*(x - 4 )2 + 7.
Which of the following solutions will have highest freezing point? A. 0.1M KCl B. 0.05M NaCl C. 1M AlPO4 D. 0.1MMgSO4 ? i need it urgently ... pls help...!!!
If an 0.650 m aqueous solution freezes at –2.00 °C, what is the van't Hoff factor, i, of the solute? Kf values can be found here. the Kf value is 1.86 °C/m. I get 2 for the answer but it is wrong. Please help!
Can somebody please check my answers? 1. Identify the initial amount a and the growth factor b in the exponential function. g(x)=14*2^x a)a=14, b=x b)a=14, b=2
Arrange the following aqueous solutions in order of increasing freezing points (lowest to highest temperature): 0.10 m glucose, 0.10 m BaCl2, 0.20 m NaCl, and 0.20 m Na2SO4.
In a crash test, a 2000-kg van collides with a concrete support. The stopping time interval for the collision is 0.10 s, and the impulse exerted by the support on the van is 7.0×103N⋅s. A.) Determine the magnitude of the change in momentum. B.)Determine
a 0.100m k2so4 solution has a freezing point of -0.43 degrees. what is the van hoff factors for this solution? kf=1.86degree/m? 0.77 3.0 1.0 2.3 i have used the equation dT=iKfm and get -2.3?
Plese tell me if these are right. A 15.0-mL sample of NaCl solution has a mass of 15.78g. After the NaCl is evaporated to dryness, the dry salt residue has a mass of 3.26g. Calculate the following concentrations for the NaCl solution. a. %(m/m)= 3.26 x 100
Assuming 100% dissociation, calculate the freezing point and boiling point of 3.13 m SnCl4(aq). Tf=? Tb=? My work: SnCl4 with 100% dissociation gives a van't hoff factor of 5, 1Sn 4+ ion and 4 Cl- ions deltaT = i x Kf x m for freezing point = 5 x 0.51C/m x
At what temperature would a 1.75m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 C/m.
According to the following reaction, how many grams of iron(III) chloride will be formed upon the complete reaction of 27.1 grams of chlorine gas with excess iron? The balanced eq is 2Fe+3Cl2=2FeCl3 Here is my worked out equation: 27.1g Cl*1 mol Cl/35.46 g
Identify each enthalpy change by name and classify each change as exothermic or endothermic. a)1 mol C3H8 (l) ==> 1 mol C3H8 (g) b)1 mol Hg (l) ==> 1 mol Hg (s) c)1 mol NH3 (g) ==> 1 mol NH3 (l) d)1 mol NaCl(s) + 3.88kJ/mol ==> 1 mol NaCl (aq) e)1 mol NaCL
Which of the following solutions of strong electrolytes contains the largest # of moles of chloride ions: 100.0 mL of 0.30 M AlCl3, 50.0 mL of0.60 M MgCl2, or 200.0 mL of 0.40M NaCl? What formula is used?
1. What is the percent by mass of a solution that contains 50 grams of solute dissolved in 200 grams of solution? What is the concentration of the same solution in parts per million? 2. What is the percent mass of a solution that contains 75 grams of salt
why does the value of i (van t' hoff factor) change with regards to theoretical vs. experimental? i'm not quite sure what happens but i know it has to do with ions in the solution. could it be attractive forces between ions?
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