What weight is needed to prepare solution of 0.15 N from Na2CO3 in 300 ml of distilled water. Na = 23, C = 12, 0 = 16 2.385g 3.285g 5.82ml 2.385ml

Q: Lead azide, Pb3(N3)3 has been used as a detonator in automobile airbags. A saturated solution of…

A: Since you have posted multiple questions, we will provide the solution only for the first question…

Q: How to prepare 1 mM to 5 mM AgNO3 solution in 50 mL water?

A:

Q: What is the molarity of 10.0 mL of 75% v/v ethanol

A: We have to find Molarity if 10 mL  of 75% v/v ethanol.  This means that in a 10ml solution, 7.5mL…

Q: Calculate the number of ml of 3.5 M (NH4)2CO3 solution necessary to provide 12.5 g. of (NH4)2CO3? 2.…

A:

Q: The freezing point of an aqueous solution containing 35 g of an nonelectrolyte in 150 mL water is…

A:

Q: If 8.0 L of ethylene glycol , C2H4(OH)2, density = 1.113 g/mL, is placed in an automobile radiator…

A: This numerical can be calculated by using the formula for freezing point depression. Freezing point…

Q: What is the molarity of phosphoruc acid in a solution labelled 20.0% phosphoric acid (H3PO4) by…

A: Given that:                        Weight by weight percent = 20.0 %        Density of phosphoric…

Q: Calculate the formal concentration in molarity of a sodium acetate solution prepared by diluting…

A: Using equation of dilution we can find final concentration of solution.

Q: A sample of aluminum sulfate 18 - hydrate, Al2(SO4)3x18H20 containing 114.0 mg is dissolved in 1.000…

A: Weight of aluminum sulfate 18 - hydrate = 114mg.Volume: 1LDensity of solution: 1g/mlWe have…

Q: Pure cyclohexane, C 6 H 12 , has a freezing point of 6.53 ° C. Its freezing point depression…

A: Molecular weight  calculation using freezing point depression value :

Q: How many grams of cobalt (II) chloride hexahydrate, CoCl2 6H20 would need to be used to make 250 mL…

A: Given : The solute is cobalt (II) chloride hexahydrate i.e CoCl2.6H2O. Volume of solution = 250 mL =…

Q: How to prepare 40 ml of 25 ppm potassium solution from 0.01 M KNO3 solution? KNOS . g/mol, dn =…

A: Given that: Concentration of KNO3 = 0.01M Molar mass of KNO3 = 101.10grams Atomic mass of Potassium…

Q: A 2.1 M K2SO4 solution can be prepared by diluting mL of 9.2 M K₂2SO4 solution to 241 mL

A: • The values provided in the question are:-         i) Initial concentration of K2SO4 solution, M1…

Q: Using the data below, determine the solution that has the lowest density. Data of Various Solutions…

A: The relation between mass density and volume is as follows: Density = mass/ Volume     ......... (1)…

Q: 10. A solution was prepared by dissolving 5.76 g of KCI MgCl2.6H2O (277.85 g/mol) in sufficient…

A:

Q: A student prepares a solution by dissolving 2.09 g of para-dichlorobenzene (C6H4Cl2,= 147.0 g/mol)…

A:

Q: A hydrochloric acid solution has Na2CO3 (Molar Mass = 106) titer of 0.00940 g/ml. Calculate the…

A: Answer : as per the data titer is  0.00940 g/ ml mole  = mass /  molar mass mole of Na2CO3 = 0.00940…

Q: 1. Calculate the following: (a) The volume of 1.0 mol L- glucose (CeH12Oe) stock solution required…

A: 1. (a) Given data: The molarity of the stock solution of glucose is M1=1.0 mol L-1. The volume of…

Q: To prepare 200.0 mL of 0.01 M EDTA solution, how many grams of EDTA disodium salt dihydrate…

A: Molarity is one of the concentration terms that is defined as the number of moles of solute present…

Q: The density of a concentrated phosphoric acid solution is 1.514 g/mL solution at 20°C. It contains…

A:

Q: An aqueous stock sodium bromide solution is prepared by adding 32.1gNaBr to a 50.0mL volumetric…

A: The mass of NaBr given = 32.1 g      Volume  of stock solution = 50.0 mL = 0.050 LThe volume of…

Q: Calculate the volume of 1000 ppm chromium (VI) stock solution needed to prepare 100.00 mL each of…

A: The formula of dilution is  C1V1 = C2V2 Where, C1 and C2 are initial and final concentrations of the…

Q: Using the data given below, calculate the percentage of KHP in the impure sample. The molar mass of…

A: Mass of unknown sample = 1.1801 g Molarity of NaOH solution = 0.1955 M Volume of NaOH required to…

Q: How many millilitres(ml) of a 1o00 ppm solution of CaC12 prepare from 3 mg ? 9 ml O 6 ml O 3 ml O…

A: Given :  Mass of CaCl2 = 3 mg  = 3 x 10-3 gm  Concentration of solution = 1000 ppm

Q: A 0.128 g sample of KHP (HKC8H4O4) required 28.54 mL of NaOH solution to reach a phenolphthalein…

A: Mass of HKC8H4O4 = 0.128 g Molar mass of HKC8H4O4 = 204.44 g/mol So, Number of moles  = 0.128 g /…

Q: A 0.1 M K2SO4 solution can be prepared by diluting. mL of 3.8 M K2SO4 solution to 206 mL

A:

Q: How many grams of solid Cu2SO4 5H2O (249.68 g/mol) must be dissolved in 400 mL of water to obtain a…

A: Given :-  molarity of Cu+ ions = 0.0899 M  volume of water = 400 mL  molar mass of Cu2SO4 5H2O =…

Q: Cherise the Chemist needs to make 750.0 mL of 2.00 M H3PO4 solution. She has 14.8 M (concentrated)…

A: Given  750 mL solution of 2.0 M H3PO4 have to be prepare from solution of 14.8M H3PO4 solution.  For…

Q: Moles of NaOH at the equivalence point? Mass of H2C2O4·2H2O= 1.32191 g Volume of the H2C2O4·2H2O…

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: alculate the mass of sodium citrate dihydrate, Na3C6H5O7(H2O)2, needed to prepare 50 mL of a 0.015 M…

A: 1. To calculate the mass of sodium citrate dihydrate, Na3C6H5O7(H2O)2, needed to prepare 50 mL of a…

Q: متعد د الخيارات What is the weight required to prepare a 0.02 M solution of silver nitrate AgNO3 in…

A:

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.