Author Question: One milliliter (1.00 mL) of acid taken from a lead storage battery is pipetted into a flask. Water ... (Read 102 times)

melly21297 · **on:** Mar 21, 2021

Question 1

Methyl orange is an indicator with a K_a of 1 × 10^–4. Its acid form, HIn, is red, while its base form, In^–, is yellow. At pH 6.0, the indicator will be

◦ red
◦ orange
◦ yellow
◦ blue
◦ Additional information is needed.

Question 2

One milliliter (1.00 mL) of acid taken from a lead storage battery is pipetted into a flask. Water and phenolphthalein indicator are added, and the solution is titrated with 0.49 M NaOH until a pink color appears; 12.0 mL are required. How many grams of H₂SO₄(molar mass = 98 g/mol) are present in one liter of the battery acid?

◦ 576 g
◦ 288 g
◦ 33 g
◦ 1152 g
◦ 48 g

rachel · **Reply #1 on:** Mar 21, 2021

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