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Express the concentration of a 0.0510 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume
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Joy
22,411 views
CaCl2(s) Ca2+(aq) + 2 Cl-(aq)
H = -81.5 kJ A 14.0 g sample of CaCl2 is dissolved in 130. g of water, with both substances at
1 answer
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Joe
789 views
An 11.1-g sample of CaCl2 is dissolved in 123 g water, with both substances at 24.0°C. Calculate the final temperature of the
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Zelzin
877 views
In a coffee-cup calorimeter, 1.91 g of NH4NO3 is mixed with 75.0 g of water at an initial temperature of 25.00oC. After the
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asked by
Shawn
808 views
A 3.50 g sample of KCl is dissolved in 10.0 mL of water. The resulting solution is then added to 60.0 mL of a 0.500 M CaCl2(aq)
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asked by
Anna
2,486 views
An excess of zinc metal is added to 50.0 mL of a 0.100 M AgNO3 solution in a constant-pressure calorimeter. Assuming that the
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asked by
Haley
2,143 views
A 7.00 g sample of KCl is dissolved in 81.0 mL of water. The resulting solution is then added to 28.0 mL of a 0.790 M CaCl2(aq)
1 answer
asked by
JC
712 views
A and B are two solutions which have the same solute in different amounts of solvent. Assuming solution A is a saturated
1 answer
101 views
A solution of 0.178 M KOH(28.3 ml) is mixed with 28.9ml of 0.133 M HCl. Assuming that the final solution is the sum of the
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asked by
helen
589 views
an antifreeze solution is made by mixing ethylene glycol (density= 1116 kg/m^3) with water. suppose that the specific gravity of
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asked by
kai
6,136 views