Calculate the amount of solute needed to prepare the following solutions. 180 mL of a 42.1 %% (m/vm/v) LiNO3 solution         Express your answer using two significant figures.   470 mL of a 2.3 % (m/v) KOH solution Express your answer using two significant figures.   255 mLmL of a 12 %% (v/v) isopropyl alcohol solution Express your answer using two significant figures.

Q: zing point of water is 0.00 °C at 1 atmosphere. A student dissolves 10.57 grams of copper(II)…

A:

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of copper(II) nitrate (187.6…

A: Use the formula related to change in boiling point to calculate the mass of copper nitrate required.

Q: If 18.4 grams of an aqueous solution of ammonium chloride,NH4Cl , contains 0.642 grams of ammonium…

A: Weight/Weight Percent(% w/w) :    Weight/weight percent is used to express the concentration of a…

Q: Mass of empty dish: 38.386 grams  Volume of 0.0400 M stock solution: 5.00 mL  Mass of Dish and…

A: Molarity of a solution is moles of solute present in one litre of solution.  Molality of a solution…

Q: Ah organic chemistry student prepared 1.80 L of a chloroform-toluene solution at 23.0 °C by…

A:

Q: a) What mass of a 30% (w/w) hydrogen peroxide solution is required to provide the 3.06g H2O2…

A: Given, mass of hydrogen peroxide =3.06 g volume = 5.0 mL molarity of solution = 3.6 M

Q: deliver 8.0 g of solute?

A: %w/v is weight per unit volume %w/v = (weight/ volume ) * 100%

Q: When (8.09x10^1) g of a non-electrolyte is dissolved in (5.9500x10^2) g of a solvent (with Kp =…

A:

Q: Calculate the amount of solution (g or mL) that contains each of the following amounts of solute.…

A: In this question we have to calculate the amount of Solution in g or mL unit which is given in (m/m)…

Q: A xylose solution contains 60.2 g of xylose (C5H10O5) in 455 g of water. ▼ Part A Compute the…

A: mass of xylose = 60.2 gmolar mass of xylose = 150.13 g/molKf value of water = 1.86oC/mKb value of…

Q: Determine the molarity of a solution prepared by dissolving 16 g of urea (MW = 60) in 39 g of H20 if…

A: Given,  mass of urea= 16 g  molecular weight of urea = 60 g/mol  mass of H2O = 39 g  density of the…

Q: whole number. 50 45 40 35 30 25 20 15 10 5 0 Solubility (g unk. salt / 100 g H₂O) 10 15 20 25 30 35…

A: The given question is related to the calculation of amount of salt required to dissolve in 100 grams…

Q: A solution of 4.79 g of a nonvolatile, nonelectrolyte solute in 100.0 g of CC14 boils at 77.90 \deg…

A: Answer:

Q: A solution is made of two volatile solutes: Chemical A (with a pure vapor pressure of 80.0 mm Hg)…

A: Given data,Q1) Pure vapor pressure of chemical A=80mmHgPure vapor pressure of chemical…

Q: i:2.5/4.0/0.25/0.4 ii:6.25/75/25/100/50 iii:25/50/75 iv1:4/0.2/0.75/0.25 iv2:8/10/20/30/40

A: 1. 0.252. 100ml3. 75ml4a. 0.24b. 8%Explanation:

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 7.00 g of dextrose…

A:

Q: Urea (NH2)2CO, is dissolved in 105.0 g of water. The solution freezes at -0.605°C. How many grams of…

A: Given,

Q: Calculate the final concentration in %(m/v) of a solution made by adding 325 mL water to 180. mL of…

A: Mass by volume percent represent the percentage ratio of mass of solute to the volume of solution.

Q: Part A - Using the definition for mole fraction. A solution was prepared by dissolving 160.0 g of…

A: Step 1: Calculation of molesGiven,Molar mass of KCl = 74.6 g/molMolar mass of H2O = 18.0 g/molWe…

Q: A 112.7 kg man drinks 1.0 L or 1.0  kg of liquor that is 35.2% (v/v) alcohol. What is the alcohol…

A: Given that Weight of a man = 112.7 Kg Amount of liquor he drinks = 1.0 L = 1 Kg Weight of man after…

Q: 2. NaOH is commonly used to produce paper, dyes and soap. Calculate the mole fraction of NaOH in a…

A: Since each question is different, we request you to upload two questions differently as we solve…

Q: For each of the following solutions, calculate the specified value. Calculate the number of grams…

A: Calculate the number of grams of 3.9% (m/m) NaCl solution contains 7.40 g of NaCl.Calculate the…

Q: (v/v)%  =  10. mL ethanol   150 mL mouthwash   × 100% = 6.7 % (v/v) ethanol   how do I insert…

A: Interpretation: The given setup of the percent volume/volume is to be shown.

Q: 5a.

A: Given: (m/v) NaCl stock solution M1 = 19.0 % (m/v) NaCl solution M2 = 0.90 % NaCl solution V2 = 1.7…

Q: While carrying out this practical class, all of the 25% (m/v) HCl solution was used up by the…

A: The objective of the question is to find out the volume of concentrated hydrochloric acid needed to…

Q: Urea (NH2)2CO, is dissolved in 105.0 g of water. The solution freezes at -0.605°C. How many grams of…

A:

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.