23 Question (1 point) See page 330 2nd attempt See Periodic Table See Hint Feedback Balance...
05 Question (1 point) 3rd attempt And See Periodic Table O See H Balance the neutralization reaction of phosphoric acid with magnesium hydroxide. States of matter are not needed. 8 H2PO4+ Mg(OH)2 I > 2nd attempt 1st attempt BOF 13 QUESTIONS COMPLETED < 05/13 > VIEW SOLUTION SUBMIT ANSW o BI
04 Question (1 point) 3rd attempt See Periodic Table See Hint Feedback Complete the following neutralization reaction between an acid and a base. Do not include the states of matter in the equation, and do not write coefficients of "1" 8 1 H.CO, - 2 KOH-K,Co, +2H,0 > 2nd attempt > 1st attempt BOF 13 QUESTIONS COMPLETED C TRY AGAIN < 04/13 > • VIEW SOLUTION е со o a
04 Question (1 point) 1st attempt Feedback Ai See Periodic Table See Hint Complete the following neutralization reaction between an acid and a base. Do not include the states of matter in the equation, and do not write coefficients of "1" 1 H,Co, 1 KOH 10F 13 QUESTIONS COMPLETED < 04/13 > + VIEW SOLUTION CAN o BI 8 a
11 Question (1 point) 1st attempt Feedback lud See Periodic Table See Hint AO.SOO M solution of potassium hydroxide is used to titrate citric acid (citric acid has three acidic hydrogens per molecule). How many mL of potassium hydroxide will be needed to neutralize 2.95 g of citric acid? (Citric acid has a molar mass of 192.1 g/mol.) ml SOF 13 QUESTIONS COMPLETED < 11/13 > • VIEW SOLUTION C TRY AGAIN o *
2nd attempt See Periodic Table See Hint Feedback Write a chemical equation for the hydrolysis reaction that explains why an aqueous solution of CH3NH3Cl is acidic. [Please include the states of matter with each chemical species. Remember, it is an equilibrium reaction.] xx. He (aq).
06 Question (1 point) 1st attempt Feedback See Periodic Table O See Hint How many milliliters of a 0.150 M HCl solution are needed to neutralize 40.05 mL of a 0.025 M KOH solution? ml 1 OF 1 QUESTIONS COMPLETED < 06/13 > + VIEW SOLUTION C TRY AGAIN o e 8. a
Question (1 point) 2nd attempt Feedback It See Periodic Table O See Hint In a 8.00 M nitrous acid (HNO,) solution, calculate (H). Nitrous acid is a weak acid with K - 4,00 x 104 at 25°C. 1.789 x 10- M > 1st attempt
Part 1 (1 point) Feedback hi See Periodic Table See Hint When hydrogen sulfide gas is bubbled through water, it forms hydrosulfuric acid (H2S). Complete the ionization reaction of H2S(aq) by writing formulas for the products. (Be sure to include all states of matter) Hys(ar) 8 Part 2 (1 point) Feedback Nitrous acid (HNO3) is a weak acid. Complete the hydrolysis reaction of HNO, by writing formulas for the products. (Be sure to include al states of matter See Hint...
06 Question (1 point) See page 351 2nd attempt See Periodic Table See Hint Although no currently known elements contain electrons in gorbitals, such elements may be synthesized someday. What is the minimum atomic number of an element whose ground-state atoms have an electron in a gorbital? > 1st attempt
ho attempt penalty 08 Question (1 point) 1st attempt Feedback See Periodic Table See Hint While working in the laboratory, a technician accidently knocks over a beaker and spills all 200.0 mL of 2.5 MHCI. Which of the following would neutralize the spill and not have any base left over? (Assume each base will ionize 100%) Choose one or more A. 125.0 mL of 2.0 M Ca(OH)2 B. 100.0 mL of 5.0 M KOH C. 200.0 mL of 2.5 M...