Describe how to prepare each solution from the dry solute and the solvent. |
Part A Part complete How much dry solute would you take to prepare 135 mL of 0.100 M NaNO3 ? Express your answer using three significant figures. -- Part B Part complete How much dry solute would you take to prepare123 g of 0.120 m NaNO3 ? Express your answer using three significant figures. --
Part C Part complete How much dry solute would you take to prepare 123 g of 1.9 % NaNO3 solution by mass? Express your answer using two significant figures. --
SubmitPrevious AnswersRequest Answer Part D Part complete How much solvent would you take to prepare the solution in part B? Express your answer using three significant figures. --
SubmitPrevious AnswersRequest Answer Part E Part complete How much solvent would you take to prepare the solution in part C? Express your answer using three significant figures. --
SubmitPrevious AnswersRequest Answer
|
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Describe how to prepare each solution from the dry solute and the solvent. Part A Part...
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent? 1. 116 g of 0.200 m NaNO3? 2. 116 g of 1.6 % NaNO3 solution by mass? 3. How much solvent would you take to prepare the solution in question 1? 4.How much solvent would you take to prepare the solution in question 2?
Calculate the grams of solute needed to prepare each of the following solutions. Part A 1.0 L of a 3.0 M NaOH solution Express your answer using two significant figures. IVO AP R O 2 ? g NaOH Submit Request Answer Part B 5.5 L of a 0.40 M CaCl2 solution Express your answer using two significant figures. OVO ACOM O a ? m= g CaCl2 Submit Request Answer Part 190 mL of a 2.75 M NaNO3 solution Express your...
Part A Part complete Calculate [H3O+] in the following aqueous solution at 25 ∘C : [OH−]= 5.3×10−4 M . Express your answer using two significant figures. -- SubmitPrevious AnswersRequest Answer Part B Part complete Calculate [H3O+] in the following aqueous solution at 25 ∘C : [OH−]= 2.4×10−12 M . Express your answer using two significant figures. -- [H3O+] [ H 3 O + ] = nothing M SubmitPrevious AnswersRequest Answer Part C Part complete Calculate [H3O+] in the following aqueous...
A skateboarder travels on a horizontal surface with an initial velocity of 4.4 m/s toward the south and a constant acceleration of 1.7 m/s2 toward the east. Let the x direction be eastward and the y direction be northward, and let the skateboarder be at the origin at t=0 . Part A Part complete What is her x position at t=0.70s ? Express your answer to two significant figures and include appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part...
You may want to reference (Pages 291 - 293) Section 8.6 while completing this problem. Use the molar volume to calculate each of the following at STP. Part A Part complete Calculate the number of moles of CO2 in 4.10 L of CO2 gas. Express your answer to three significant figures and include the appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part complete Calculate the volume, in liters, occupied by 0.140 mol of He gas. Express your answer to...
calculate the molality of each of the solutions. part a) 0.35 mol solute; 0.350 kg solvent part b) 0.832 mol solute; 0.250kg solvent part c) 0.013 mol solute; 23.1 g solvent Chapter 13 HW Exercise 13.97 Calculate the most of each of the solution Part 0.35 mol 350k Express your answer using two significant figures. Parts molt 250 kw Express your w ing the contres 080 AE OO? Submit Best Answer Q WE R T y un A so F...
Part B Part complete ΔH∘rxn=+ 83 kJ , ΔSrxn=+ 146 J/K , T= 759 K Express your answer as an integer. -- SubmitPrevious AnswersRequest Answer Part C Part complete ΔH∘rxn=+ 83 kJ , ΔSrxn=− 146 J/K , T= 309 K Express your answer as an integer. -- ΔG Δ G = nothing kJ SubmitPrevious AnswersRequest Answer Part D Part complete ΔH∘rxn=− 83 kJ , ΔSrxn=+ 146 J/K , T= 407 K Express your answer as an integer. -- ΔG Δ...
Learning Goal: To learn how to use the Nernst equation. The standard reduction potentials listed in any reference table are only valid at standard-state conditions of 25 ∘C and 1 M . To calculate the cell potential at non-standard-state conditions, one uses the Nernst equation, E=E∘−2.303RTnFlog10Q where E is the potential in volts, E∘ is the standard potential in volts, R=8.314J/(K⋅mol) is the gas constant, T is the temperature in kelvins, n is the number of moles of electrons transferred,...
The following reaction was monitored as a function of time: AB→A+B A plot of 1/[AB] versus time yields a straight line with slope 5.8×10−2 (M⋅s)−1 . You may want to reference (Page) section 13.4 while completing this problem. Part A Part complete What is the value of the rate constant (k) for this reaction at this temperature? Express your answer using two significant figures. -- SubmitPrevious AnswersRequest Answer Part B Part complete Write the rate law for the reaction. --...
The following data show the rate constant of a reaction measured at several different temperatures. Temperature (K) Rate Constant (1/s) 300 1.19×10−2 310 3.64×10−2 320 0.104 330 0.278 340 0.703 Part A Part complete Use an Arrhenius plot to determine the activation barrier for the reaction. Express your answer using three significant figures. -- SubmitPrevious AnswersRequest Answer Part B Part complete Use an Arrhenius plot to determine frequency factor for the reaction. Express your answer using two significant figures. --...