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Concept explainers
Interpretation:
A molar amount of an ion that is not equal to one equivalent of ion ions has to be identified from the given options.
Concept-Introduction:
Body fluids have small amounts of different type electrolytes and its concentration is measured in equivalents or milliequivalents per liter. An Equivalent
Few examples for the relationship between number of equivalent and charge of an ion is given below,
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Chapter 10 Solutions
Bundle: General, Organic, and Biological Chemistry, 7th + OWLv2 Quick Prep for General Chemistry, 4 terms (24 months) Printed Access Card
- The defining equation for the molarity concentration unit is a. moles solute/mL solution b. moles solute/L solution c. grams solute/L solution d. no correct responsearrow_forwardWhich of the following statements concerning a saturated solution is incorrect? a. undissolved solute must be present b. undissolved solute may or may not be present c. undissolved solute, if present, is in equilibrium with dissolved solvent d. no correct responsearrow_forwardWhat salt would be produced by a neutralization reaction between H2SO4 and Ca(OH)2? CaSO4 b. Ca2SO4 c. Ca(SO4)2 d. No correct responsearrow_forward
- When the concentration of H3O+ ions is multiplied by the concentration of OH- ions in a sample of water, the product will a. be 1 x 10-7 (mol/L)2 b. be 1 x 10-14 (mol/L)2 c. depend on the pH of the solution d. no correct responsearrow_forwardWhich of the following statements is true for all balanced equations? * The total number of compounds on each side must be equal. The sum of the subscripts on each side must be equal. The sum of the coefficients on each side must be equal. O No correct response.arrow_forwardWhich of the following statements is true for neutral solutions in which water is the solvent? a. neutral solutions contain no H3O+ ions b. neutral solutions contain no OH- ions c. neutral solutions contain H3O+ and OH- ions in equal concentrations d. more than one response is correct e. no correct responsearrow_forward
- LL ర N R O no correct response 22. Calculate the molar concentration of OH in a water solution that has a molar concentration of H* equal to 2.84 x 10-6. O 3.52 x 10-9 O 2.84 x 108 O 5.93 x 10-5 O 1.68 x 10-3 O no correct response MacBook Air 000 F4 F5 F6 F7 24 V 9- 9 08.arrow_forwardA solution is prepared by mixing 25.0 ml of 0.34 M NH3 (pKp-4.74) and 21.0 mL of 0.95 M HCN (pKa=9.21). What is concentration of HCN at equilibrium given the reaction below? NH3 (aq) + HCN (aq) + NH4 (aq) + CN (aq) Numeric Responsearrow_forwardsample of a solution has a pH of 11.75. What is the molar concentration of H+ in the solution? a. 5.6 x 10 -3 b. 1.8 x 10-12 c. 7.9 x 10 -6 d. 1.1 x 10 -1 e. no correct responsearrow_forward
- Problem 4 It takes 0.50 moles of Br,1) to titrate 25.0 mL of H,S,0 (aq) in the reaction: + 4Br, + 5H,0 – 2So + 8Br + 10H* What is the molar concentration of H,S,0,? Enter your answer in the box provided with correct units and sig. figs.: The molar concentration Answer: of H,S2O3(aq) isarrow_forwardWhich of the following will produce hydrogen gas when reacted with HCl acid? a. NaHCO3 b. Mg c. KOH d. CaO e. no correct responsearrow_forwardWhen 60.0 mL of a 1.00 M solution is diluted by adding 30.0 mL of water, the amount of solute present a. increases b. decreases c. remains the same d. no correct responsearrow_forward
- General, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage Learning
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