x CHE101_02: Intro to General Che X Home 101 Chem101 My Questions | bartleby app.101edu.co myClackamas Login CUnofficial Transcri... W Logon Oregon Scholarsh... Home FAFSA on... Welcome to the ... The National Soci... Apps Submit Question 5 of 8 How many moles of lithium hydroxide would be required to produce 75.5 g of Li2COs in the following chemical reaction? 2 LIOH(s)+CO2 (g) --- LI2CO3 (s) + H2O (I) mol 1 2 с 7 +- 0 x 10 0 7:27 PM Type here to search ENG 11/13/2019 X CO LO 4t
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- EN-US My Notes DOO ... L.. Table 1.2 ; Data sheet/ Part B RART B Record your data with units unknown Letter mass of empty evaporating dish 41.35g mass of unknown sample 3.01g mass of petri dish half t Clean funnel mass of petri dish half+ funnel + Sublimed NHYC) mass of evaporating dish With residue atfter Sublimator mass of evaporating dish and sand, first drying att empt. mass of evaporating dish and dry sand after setond 43.07g 43.079 Lab3: Sublimah on Crroup #12 Februany 26, 202Inbo (534) Conv I Balar b Ansv Post CHE 101 C X с Chec bartl bartl The b My C Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 28 of 40 Submit The OH concentration in an aqueous solution at 25 °C is 6.1 x 10 5. What is [H*]? 1 4 C 7 8 9 +/- х 100 + 10:59 PM e Type here to search 59°F 8/26/2021 LO (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X с Chec bartl bartl The b My C Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 38 of 40 Submit Determine the mass of solid NaCH:COO that must be dissolved in an existing 500.0 mL solution of 0.200 M CH:COOH to form a buffer with a pH equal to 5.00. The value of Ka for CH:COOH is 1.8 × 10-5. 1 2 3 NEXT > Let x represent the original concentration of CH:COO- in the water. Based on the given values, set up the ICE table in order to determine the unknown. CH:COOH(aq) + H2O(I) H:O*(aq) + CH:COO (aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 0.200 5.00 -5.00 1.0 x 10-9 -1.0 x 10-9 1.0 x 10-5 -1.0 x 10-5 1.8 x 10-5 -1.8 x 10-5 x + 5.00 х- 5.00 x + 1.0 x 10 9 х- 1.0 x 109 x + 1.0 × 10-5 х- 1.0 х 105 x + 1.8 x 10-5 х- 1.8 х 10-5 + 11:01 PM e Type here to search 59°F 后 W…
- Inbo (534) Conv I Balar b Ansv Post CHE 101 C X с Chec bartl bartl The b My C Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 39 of 40 Submit Determine the pH of a buffer formed by dissolving 20.0 g NaCH:COO into a 500.0 mL solution of 0.150 M of CH:COOH. Assume the volume of the solution does not change. The value of Ka for CH:COOH is 1.8 x 10-5. 1 2 NEXT > Based on the given values, set up ICE table in order to determine the unknown. CH:COOH(аq) + H2O(1) H;O*(aq) + CH:COO-(aq) Initial (M) Change (M) Equilibrium (M) 5 RESET 20.0 0.150 0.244 0.488 0.678 +x 20.0 + x 20.0 - x 0.150 + x 0.150 - x 0.244 + x 0.244 - 0.488 + x -X 0.488 - x 0.678 + x 0.678 - x + 11:03 PM e Type here to search 59°F W 8/26/2021 (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 36 of 40 Submit What is the pH of a buffer made from 0.220 mol of HCNO (Ka = 3.5 × 10 4) and 0.410 mol of NaCNO in 2.0 L of solution? 1 4 C 7 8 9 +/- х 100 + 11:21 PM e Type here to search 59°F 后 8/26/2021 LO (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X с Chec bartl bartl The b My C Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 40 of 40 Submit Determine the pH of a buffer that is 0.55 M HNO2 and 0.75 M KNO2. The value of Ka for HNO2 is 6.8 × 10-4. 1 NEXT > Based on the given values, set up ICE table in order to determine the unknown. HNO:(aq) H2O(1) H3O*(aq) NO: (aq) + + Initial (M) Change (M) Equilibrium (M) 5 RESET 0.55 0.75 6.8 x 10-4 +x -X +2x -2: 0.55 + x 0.55 - x 0.55 + 2x 0.55 - 2x 0.75 + x 0.75 - x 0.75 + 2x 0.75 - 2x 11:04 PM e Type here to search 59°F 后 小 8/26/2021 (8)
- Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 37 of 40 Submit What ratio of NaCN to HCN is needed to prepare a pH 10.00 buffer? (Ka of HCN is 4.9 × 10 10) 1 4 C 7 8 9 +/- х 100 + 11:22 PM e Type here to search 59°F 小 8/26/2021 LO (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 32 of 40 Submit What volume (in milliliters) of 0.120 M HCIO3 are required to neutralize 50.0 mL of 0.150 M NaOH? mL 1 4 C 7 8 9 +/- х 100 + 11:17 PM e Type here to search 59°F 后 8/26/2021 LO (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 34 of 40 Submit Which of the following combinations can be used to make a buffer? (Assume equal volumes are used.) A) 0.50 M HF and 0.20 M NaF B) 0.50 M HF and 0.50 M NaOH С) 0.50 М HF and 0.50 M HСІ D) 0.50 M HOCI and 0.50 M NaF + 11:19 PM e Type here to search 59°F 后 8/26/2021 (8)
- Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 35 of 40 Submit Which of the following statements is true? A) A buffer forms when any acid or base are mixed together. B) A buffer forms when a strong acid is mixed with a weak acid. C)A buffer forms when a conjugate weak acid/weak base pair are mixed together. D) A buffer forms when a weak acid is mixed with a weak base. + 11:20 PM e Type here to search 59°F 8/26/2021 (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 31 of 40 Submit A 35.0 mL solution of NaOH is neutralized with 26.5 mL of 0.250 M HCI. What is the concentration of the original NaOH solution? | M 1 4 C 7 8 9 +/- х 100 + 11:15 PM e Type here to search 59°F 8/26/2021 LO (8)Inbo (534) Conv I Balar b Ansv Post CHE 101 C X The bartl bartl bartl Cher Unkr O Sear E I ma G what app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 33 of 40 Submit What volume in milliliters of 0.0170 M Ca(OH)2 is required to neutralize 70.0 mL of 0.0300 M HBr? mL 1 4 C 7 8 9 +/- х 100 + 11:18 PM e Type here to search 59°F 后 8/26/2021 LO (8)