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Sodium chloride has a solubility of 35.7g/100mL water. If you have 350mL of water and you add 115g of sodium chloride to it and mix well
1. Find the pH of a solution that has a concentration of hydrochloric acid equal to 0.001 M. 2. Find the normal pH of rainfall (not acid rain). Would a rain sample with a pH of 5.0 be considered "ac
As water is warmed, the solubility of sugar crystals in it *increases *decreases *remains constant *Fluctuates randomly
Write the equation for the general form of an indicator equilibrium. Underline the form of the indicator in acidic solution, and circle the form of the indicator that is in largest concentration in
The solubility of CO2 in water will increase when which condition is applied? * The Temperature is raised * Partial pressure of carbon dioxide is increased * Partial pressure of carbon dioxide is de
Toxic cyanide ions can be removed from wastewater by adding hypochlorite: 2CN-(aq)+5OCl-(aq)+H2O(l) --> N2(g)+2HCO3-(aq)+5Cl-(aq) How many liters of 0.125M OCl- are required to remove the CN- in
When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added
If a battery operates at 2.7 V, what voltage will someone get if someone put: a.) three of these batteries in parallel b.) four of these batteries in series How do I go about working this type of pr
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq). (a) before addition of any HCl
500.0 mL of 0.120 M NaOH is added to 575 mL of 0.200 M weak acid (Ka = 3.84 × 10-5). What is the pH of the resulting buffer. HA(aq) + OH^-(aq) ---> H20(l) + A^- (aq) pH=
Barium chlorate in solution mixed with Silver fluoride
Consider a 20.0% (m/v) solution. How can this be written as a conversion factor. * 20.0 g of solute/ 100 mL of solution * 20.0 g of solute/ 80 g of solution * 20.0 g of solute/ 100 g of solution * 2
A volume of 110.mL of H2O is initially at room temperature (22.0 °C). A chilled steel rod at 2.00 °C is placed in the water. If the final temperature of the system is 21.1 °C , what is the mass o
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. If 0.560 moles of
Solution of Barium chlorate with a solution of Silver fluoride
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
The mass of a single copper atom is 1.06E-22 grams. How many copper atoms would there be in 318 milligrams of copper?
Calculate the pKa value of the acid and determine the number of moles of acid initially present. When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many mo
Calculate the mass/volume percent of a NaCl solution in which 186 g of NaCl is dissolved in enough water to give a total volume of 1.67 L
Calculate the mass percent of a solution that is prepared by adding 64.4 g of NaOH to 485 g of H2O
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq)
How can the function PV/RT be used to show how gases behave nonideally? Negative deviations result from . Positive deviations result from.
Match the element to the subshell containing unoccupied or partially occupied orbitals. Rubidium Vanadium Boron Uranium Tungsten Magnesium A. 5d B. 2p C. 5f D. 3s E. F. 4s G. 3d H. 4d I. 5s J. 2s K.
Write the structural formula of the main organic product for the following reaction between an alcohol, tosyl chloride and then a nucleophile
how many grams of CaCl2 are needed to make 638.2 grams of a solution that is 28.5% (m/m) calcium chloride in water