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When 10.0 mL of the 0.50 M solution is diluted to 100 mL as shown, what is the new concentration
Weegy: These questions test your use of dimensional analysis. 0.50M is a ratio meaning you have 0.50Moles of a substance per Liter. [ 10.0ml substance | 1L | 0.05 mol | = 0.01 Moles of substance contained in 10.0ml - - - - - - - - - - - - - - - - - - - - … | 1000ml | 1L | Then by placing this amount of substance in a new container (diluting it) we need to calculate the new mole ratio or concentration. 0.01 moles of substance | 1000 ml = 0.1 M NaCl (Answer to first question) - - - - - - - - - - - - - - - - - - - … 100ml | 1L Next, we calculate the moles gathered in 10.0ml and find if the new ratio when placed in the 100ml beaker. 10.0ml solution | 1L | 0.1 mol = 0.001 Moles of substance in sample (10.0ml) - - - - - - - - - - - - - - - - - - - … | 1000 ml | 1L Just like last time: 0.001 Moles of substance | 1000ml = 0.01M NaCl (Answer to second question) - - - - - - - - - - - - - - - - - - - … 100ml | 1L Good luck! ] (More)
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Asked 4/23/2013 3:50:31 PM
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Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) Pb 2(aq) 2Cl-(aq). If a solution has a current value of Keq of 1.2 x 10-2, which statement is true?
Weegy: List of options please. User: Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) Pb 2(aq) 2Cl-(aq). If a solution has a current value of Keq of 1.2 x 10-2, which statement is true? Weegy: List of options please. User: Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) Pb 2(aq) 2Cl-(aq). If a solution has a current value of Keq of 1.2 x 10-2, which statement is true? Weegy: List of options please. User: Use a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) Pb+2(aq) + 2Cl-(aq). If a solution has a current value of Keq of 1.2 x 10-2, which statement is true? Too much solid has dissolved. Additional precipitate is forming. The solution is unsaturated. The ions are now combining to reduce their concentrations Weegy: List of options please. User: Use a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) Pb+2(aq) + 2Cl-(aq). If a solution has a current value of Keq of 1.2 x 10-2, which statement is true? a) Too much solid has dissolved. b) Additional precipitate is forming. c) The solution is unsaturated. d) The ions are now combining to reduce their concentrations Weegy: d) The ions are now combining to reduce their concentrations (More)
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Asked 4/24/2013 9:55:04 AM
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