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Question (1 point) 2nd attempt Feedback It See Periodic Table O See Hint In a 8.00...
2 Question (1 point) 2nd attempt Feedback See Periodic Table In a 8.00 M nitrous acid (HNO3) solution, calculate [H]. Nitrous acid is a weak acid with K = 4,00 x 10-4 at 25°C. 1.789 x 10-4 M
1st attempt Feedback See Periodic Table See Hint In a 8.00 M nitrous acid (HNO.) solution, calculate (H'). Nitrous acid is a weak acid with K, 4.00 x 10" at 25°C M
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
23 Question (1 point) See page 330 2nd attempt See Periodic Table See Hint Feedback Balance the neutralization reaction of phosphoric acid with magnesium hydroxide. States of matter are not needed. х. Не X х) Mg(он), — н,о H2PO43 23/27 C TRY AGAIN VIEW SOLUTION 20 OF 27 QUESTIONS COMPLETED
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
2nd attempt W See Periodic Table O See Hint A balloon is partly inflated with 4.85 liters of helium at sea level where the atmospheric pressure is 998 mbar. The balloon ascends to an altitude of 3.00 x 10 meters, where the pressure is 863 mbar. What is the volume of the helium in the balloon at the higher altitude? Assume that the temperature of the gas in the balloon does not change in the ascent. 1st attempt Feedback hal...
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
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...
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 *
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