Chemistry

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If a solution containing 4 mols of A and 6 mol of B boils at 85 C and 1 atm of pressure, and the ... Started by nevelica	1 Replies 43 Views	Jul 8, 2021 by jrpg123456
How many moles of ethylene glycol must be dissolved in 500 g of water (Kf = 1.86 C m-1) to lower the ... Started by shofmannx20	1 Replies 86 Views	Jul 8, 2021 by mbcrismon
Henry's Law constants for aqueous solutions at 25 C are 8.20 10-7m/mmHg for N2 and 1.62 10-6m/mmHg ... Started by Shelles	1 Replies 81 Views	Jul 8, 2021 by mistyjohnson
Henry's Law constants for aqueous solutions at 25 C are 8.20 10-7m/mmHg for N2 and 1.62 10-6m/mmHg ... Started by clmills979	1 Replies 151 Views	Jul 8, 2021 by jordangronback
Exactly 375.0 mg of an unknown protein is dissolved in enough water to give 50.00 mL of solution and ... Started by cherise1989	1 Replies 160 Views	Jul 8, 2021 by maaaaaaaaaa
Commercial perchloric acid is 70.0% by mass, HClO4(aq). Calculate the mole fraction of perchloric ... Started by HudsonKB16	1 Replies 208 Views	Jul 8, 2021 by kardosa007
Commercial nitric acid is 16.0 M HNO3(aq) and has a density of 1.42 g/mL. What is the mole fraction ... Started by Bernana	1 Replies 72 Views	Jul 8, 2021 by Dinolord
Choose the INCORRECT statement. Started by mia	1 Replies 43 Views	Jul 8, 2021 by anyusername12131
Calculate the freezing point of a solution of 40.0 g methyl salicylate, C7H6O2, dissolved in 800. g ... Started by dbose	1 Replies 80 Views	Jul 8, 2021 by Mholman93
At a given temperature the vapour pressures of benzene and toluene are 183 mmHg and 59.2 mmHg, ... Started by kamilo84	1 Replies 116 Views	Jul 8, 2021 by BUTTHOL369
At 20 C, a 2.32 mol L-1 aqueous solution of ammonium chloride has a density of What is the molality ... Started by jerry coleman	1 Replies 87 Views	Jul 8, 2021 by dreamfighter72
Arrange the following three aqueous solutions (all 250 cm3 in volume) according to decreasing ... Started by folubunmi	1 Replies 91 Views	Jul 8, 2021 by triiciiaa
An unknown compound is composed of 65.44% C, 29.07% O, and 5.49% H. A sample weighing 5.34 g, when ... Started by WhattoUnderstand	1 Replies 55 Views	Jul 8, 2021 by Beatricemm
An aqueous solution has a normal boiling point of 103.0 C. What is the freezing point of this ... Started by stock	1 Replies 118 Views	Jul 8, 2021 by jaaaaaaa
An aqueous solution containing 12.0% MgCl2 by mass. What is the mol fraction of water in this solution? Started by MGLQZ	1 Replies 180 Views	Jul 8, 2021 by okolip
A sweetened cup of coffee is an example of a: Started by cmoore54	1 Replies 71 Views	Jul 8, 2021 by polinasid
A solution prepared by dissolving 4.00 g KCl in 36.0 g H2O is said to be: Started by lidoalex	1 Replies 72 Views	Jul 8, 2021 by morrie123456
A solution of LiCl in water is 20.0 wt% LiCl. What is the mole fraction of LiCl? Assume the density ... Started by clippers!	1 Replies 134 Views	Jul 8, 2021 by Dunkey
A solution is prepared by dissolving 7.00 g of glycerin (C3H8O3) in 201 g of ethanol The freezing ... Started by JMatthes	1 Replies 108 Views	Jul 8, 2021 by peter
A solution is prepared by dissolving 40.0 g of sucrose, C12H22O11, in 250. g of water at 25 C. What ... Started by Themember4	1 Replies 100 Views	Jul 8, 2021 by scikid
A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at The partial ... Started by james9437	1 Replies 155 Views	Jul 8, 2021 by Shshxj
A solution is called "ideal" when: Started by savannahhooper	1 Replies 67 Views	Jul 8, 2021 by briseldagonzales
A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 150.0 g of solution? Started by nenivikky	1 Replies 157 Views	Jul 8, 2021 by Chou
A solution composed of 5 moles of acetone (CH3COCH3, PA = 324 mmHg) and 5 moles of chloroform ... Started by Sportsfan2111	1 Replies 93 Views	Jul 8, 2021 by scottmt
A solution component present in lesser quantity than the solvent is called ________. Started by Capo	1 Replies 84 Views	Jul 8, 2021 by braelync