Chem test 3 Flashcards
How many moles of K+ are present in 343 mL of a 1.27 solution of K3PO4?
Concentration of Chloride Ions in a 0.193m solution of Potassium Chloride is _______.
Concentration of Iodide ions in a 0.193 solution of Barium iodide is _________.
In a Titration of 35.00 mL of 0.737 m H2So4, _______ mL of a 0.827 m KOH solution is required for neautralization.
Consider the following reactions
Which is the correct order of increasing activity for these metals?
Ag < Co < Zn
There are ______ Mol of bromide ions in 0.500 L of a 0.300M solution of AlBr3
How many grams of Sodium Chloride are there in 550 mL of a 1.90 m aq solution of sodium CL?
The total concentration of ions in a 0.250 M solution of HCL is _______?
How many moles of Co 2+ are present in 0.200 L of a 0.400 M solution of Co I2
A Neautralization reaction between an acid and a metal hydroxide produces
Water and a salt
7 Strong Acids
8 strong bases
Lily LiOH Lithium Hydroxide
never NaOH Sodium Hydroxide
knew KOH PossasiumHydroxide
What are the spectators ions in the reaction between KOH(aq) and HNO(aq)
HF + OH ---> H2O + F-
Combining Aq solution of BaI2 and Na2So4 affords a precipitate of BaSO4
Which Ions is/are spectator ions in the reaction?
Na + and I -
The Spectator ions in the react between aq Hydrochloric acid and Aq Ammonia
B. Cl - only
Spectator ions of aq hydrofluoric acid and aq barium hydroxide are _________
D. Ba 2+ only
Spectator ions in reactions
Aq perchloric acid and Aq barium hydroxide are >>>>>>>
ClO 4- and Ba 2+
Which ion(s) is/are spectator ions in formation of precip. of
AgCl via combining aq solution CoCl2 and AgNO3
B. Co 2+ and NO 3-
How many Grams of CH2OH must be added to water to prepare 150mL of solu. that is 2.0 m Ch3OH
?How many grams of H3Po4 in 175 mL of 3.5 m solution of H3Po4
How many grams of NoOH (MW = 40.0) are there in 500.0 mL of 0.175 m NaOH solu.
What is the concentration (M) of NaCl solu. prepared dissolving 9.3 g of NaCl in water to give 350 mL of solu?
The molarity (m) of a AQ solution containing 22.5 g of sucrose (C12H22O11) in 35.5 solution is ______
The (M) of aq solution 22.5 glucose (C6H12O6) in 35.5 ml of solution is ________
The (M) solution prepared by diluting 43.72 mL of 1.005 m aq K2CR2)7 to 500 mL is ________
The (M) of a aq solution containing 52.5 g sucrose (C12H22O11) in 35.5 mL solution is ________
(M) of aq solution containing 75.3g glucose (C6H12O6) in 35.5 mL solution is _______/
Concentration (M) Ch3OH solution prepared dissolving 11.7 g CH3OH in suffient water exact 230 mL solution
What concentration (M) of KCI solution made mixing 25.0 mL of 1.00 m KCl with 50.0 mL of 0.100 m KCl
What are the respective concentrations (M) of Na+ and So 2-(4) afford by dissolving 0.500 mil Na2So4 in water and diluting to 1.33 L?
D. 0.752 and 0.376
Concentration species 500 mL of 2.104 m solution of sodium sulfate is _______ M sodium ion and _______ m sulfate ion
D. 4.208 and 2.104
Con. M of aq methal produced when 0.200 L of a 2.00 M solution was diluted to 0.800 L ______
When 0.500 mol of HC2H3O2 is combined with enough water to make a 300 mL solution, the concentration of HC2H3O1 is _______ M.
31.5 mL aq of H2So4 aq of unknown concentration was titrated with 0.0134 NaOh aq....reach endpoint
31.5 mL aq HNO3 was titrated with 0.0134 M NaOH aq. Took to endpoint.....
25.5 mL aliquot HCl unknown concentration 0.113 NaOH, 51.2 mL base ----> endpoint . the concentration of the acid was _________
17.5 ml sample acetic acid (CH3CO2H) solution required 29.6 mL of 0.250m NaOH for neutralization, the concentration was _________ M
When 0.500 mol HC2H3O2 combined with enough water to make 300mL solution the concentration is _______M
When H2So4 is neutralized by NaOh in aq solution, the net ionic equation is _____________
D. H+ (aq) + OH- (aq) ------>> H2O (L)
When aq solution of AgNo3 and KI are mixed, AgI precipitates and the balanced net ionic equation is __________
B. Ag+ (aq) + I - (aq) ---> AgI (s)
The balanced net equation for precipitation of CaCo3 when aq solution NasCo3 and CaCl2 mix is ___________
E. Ca 2+ (aq) + Co3 (2-) (aq) ------>CaCO3 (s)
Calculate Concen. (M) of sodium ions in solution made by diluting 50.0 mL of 0.874 solution of sodium sulfide to total volume 250.0 mL
An (aq) ethanol solu. (400 mL ) was diluted to 4.00L giving a concentration. of 0.0400 m. the concentration. of the original solution. was _______.
D. 0.400 M
(M) solution prepared diluted 43.72 mL of 5.005 m aq K2Cr2O7 to 500 mL is _______
Of the following elements, ______ is the most easily oxidized
Of the following elements, _____ is the only one who cant be found in nature in natural form
-CU -Ag -Na
Based on the equations below, which metal most active?
PB (No3)2 aq + Ni (s) ---> Ni(NO2)2 PB
PB(No3)2 aq + Ag(s) ---> No react.
Cu(No3)2 aq + Ag(s) --> No react.
Of the metals below, only ____ will not dissolve in an (aq) solution containing Nickle ions
. Aluminmum - Chromium
Chromium - Barium
WHen Gold dissolves in aqua regia, what is reduced?
Which of these metals is the LEAST easily oxidized?
-Na -Au -Ag
Which hydroxides are strong bases?
C. All the above
Which of the following are strong acids?
E. HI, HNO3 , HBR
Which of the following are weak electrolytes?
A. HC2H3O2 and NH3
Which of the following are strong electrolytes?
A. HCl and KCl
A weak electrolyte exists predominantly as a _______ in solution?
A strong electrolyte is one that _________ completely in solution.