Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- Magnesium metal reacts with hydrochloric acid to form aqueous magnesium chloride and hydrogen gas. When 7.30 g of magnesium metal is added to 100.0 mL of 3.00 M hydrochloric acid solution, what mass of hydrogen gas is produced, assuming the reaction goes to completion? a) Not enough information is provided. b) 0.302 g c) 0.605g d) 0.247 g e) 0.151 garrow_forward31) You have 500 mL of a 1.25 M Pb(NO3)2 solution. How much solid sodium chloride do you need to add to react all of the lead? ? (HINT: react lead (II) nitrate with sodium chloride) а. 54.6 g b. 44.3 g с. 146 g d. 73.1 garrow_forwardimagine that a 2.0 m colution of copper 2 chloride is added to a piece of aluminum. draw a particulate representation of the mixture after any reaction has completedarrow_forward
- Which combination of a cation and an anion would produce a precipitate? Cations: NH4+, Na+, Cu2+ Anions: NO3-, OH-, CH3COO- Write the balanced chemical equation for the reaction:arrow_forwardIf 39.7 g of KCl (MM = 74.55 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KCl in the resulting solution?arrow_forwardIn an experiment, a student combines 75.0 mL of a 0.200 M iron (III) chloride solution with 125.0 mL of a 0.250 M sodium carbonate solution. Write a balanced equation for the reaction. What is the limiting reactant? What is the theoretical yield of sodium chloride (in grams)? How many grams of sodium chloride need to be produced in the experiment in order to achieve a yield of 93.75%?arrow_forward
- if 38.0 g of KCl (MM=74.55 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KCi in the resulting solution?arrow_forwardA.) If 11.3 g of KBr (MM = 119.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KBr in the resulting solution? B) If 25.0 mL of a 7.90 M HCl solution is diluted to 2.00 L, what is the molarity of the new solution? C) What quantity in moles of KBr are there in 225.0 mL of 0.155 M KBr?arrow_forward6. Sodium sulfide reacts with hydrochloric acid to produce hydrogen sulfide and sodium chloride. How many grams of sodium sulfide are required for complete reaction with 15.0 mL of 0.250 M hydrochloric acid? The molar mass of sodium sulfide is 78.046 g/mol. (Hint: start by writing the balanced equation for the reaction.)arrow_forward
- If 26.8 g of KBr (MM = 119.00 g/ mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KBr in the resulting solution?arrow_forwardIn an experiment, a student combines 75.0 mL of a 0.190 M iron (III) chloride solution with 125.0 mL of a 0.240 M sodium carbonate solution. a. Write a balanced equation for the reaction to see how many grams of sodium chloride need to be produced in the experiment in order to achieve a yield of 83.75%?arrow_forward8. A chemist wants to make 100 of a 0.15 M AlCl 3 (aq) solution. How many grams of aluminum chloride should the chemist use?arrow_forward
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