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QUESTION 6 Which pair listed below could be used to make a buffer solution? NH3 and...
QUESTION 7 Which pair listed below could be used to make a buffer solution? O F and CN O C102 and Cr ClO2 and cl HBrO2 and Br" HClO2 and clo21 ClO2 and CN
QUESTION 5 Which pair listed below could be used to make a buffer solution? O HCIO and CIO O HCIO and CN O HCIO and HCIO2 OHS and CN OHS and Br O cioand cr
Which of the following pairs of chemicals could be used to make a buffer solution? A.) NH3 and H2O B.) HCl and NaCl C.) NH3 and NH4Cl D.) CH3COOH and HCl
QUESTION 5 Which pair could not form a buffer? (*hint: what type bf acid do you need?) NaNO2+HNO2 NaClO3+HCIO3 KI+HI KF+HF QUESTION 6 What is the pH of a 0.7M HCI ?
Which salt could be dissolved in a solution of H2PO4-1 to make a buffer? NaF NaCl Na3PO4 Na2HPO4
1 A) Which of the following pairs of solutions when mixed will form a buffer solution? Group of answer choices H2SO4 and Ca(OH)2 NH3 and NH4Br NaNO3 and HNO3 KOH and KNO2 B)Phosphoric acid, H3PO4, is a triprotic acid with the following Ka values: Ka1 = 7.5 x 10-3; Ka2 = 6.2 x 10-8; Ka3 = 3.6 x 10-13 In a solution of 0.15 M H3PO4, which species will be most abundant? H3O+ H3PO4 HPO42- H2PO4-
Which pair of substances will form a buffer solution? OHBr, NaBr O HNO2, HCI HCI, NaOH KF, NaOH HClO2, NaClO2
11 ml 6. Which of following could be used to make a buffer with sulfurous acid, H2SO3? sulfurous acid cannot make a buffer hydrogen sulfite (bisulfite) ion sulfite ion sulfate ion
Which of the following combinations would be best to buffer an aqueous solution at a pH of 9.02 Use the References to access important values if needed for this question HNO2 and NO27, Kg = 4.5E-4 H3PO4 and H2PO4, Ka1 = 7.5E-3 H2P04 and HPO42-, K42 = 6.2E-8 CH2COH and CH3COO", KA = 1.8E-5 NHA and NH3, K= 5.7E-10 Submit Answer I question attempt remaining Autosaved at 10.16A
Which substance could you add to each solution to make it a buffer solution? 0.100 M NaC2H3O2 0.500 M H3PO4 0.200 M HCHO2 Can you include an explanation with this as well please? Thanks!