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Calculate the concentration of bromocresol

Calculate the concentration of bromocresol green (BG) indicatorIt says that Molar absorptivity = Absorbance at a wavelength/
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2. asked by Catherine
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Say I have 50 mL of bromocresol green indicator. This solution has 80mg/L. the molar mass is 698 g/mol.Then say I took 10 mL of
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2. asked by Anonymous
3. 739 views
Say I have 50 mL of bromocresol green indicator. This solution has 80mg/L. the molar mass is 698 g/mol.Then say I took 10 mL of
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2. asked by Anonymous
3. 793 views
A) Calculate the hydrogen-ion concentration of a 5.45*10^-4 M H2CO3, solution, noting that Ka is bigger than Kb.B)What is the
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2. asked by Henry
3. 618 views
What relationship exists between H^+ ion concentration and OH^- ion concentration? Waht is the OH^- concentration of an aqueous
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2. asked by chemdummy
3. 766 views
Calculate the concentration of all species in a 0.145 M solution of H2CO3 (Ka1 is 4.3×10−7 and Ka2 is 5.6×10−11).Calculate
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2. asked by trump
3. 2,210 views
28cm3 of 0.2mol of sodium hydroxide was titrated against 25cm3 of hydrochloric acid using methyl orange as indicator, calculate
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2. asked by rukayya
3. 569 views
if i calculated a dilution concentration from excel to be 0.171 ppm, how do i calculate the concentration of the analyte in 64
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2. asked by Anonymous
3. 438 views
If a solution of Ca(OH)2 has a pH of 12.31 how can I calculate the concentration of calcium hydroxide in mol L-1 ?Write the
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2. asked by Fiona
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I need help with a concentration question. I need to know how to calculate the product with the higher concentration. $6.50 for
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2. asked by Angie
3. 556 views