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Calculate the concentration in parts

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
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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
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Calculate the concentration in parts per million (ppm) of the solute in each of the following aqueous solutions(a) 0.00500 g of
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2. asked by katiy
3. 1,178 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. 2,242 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. 593 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
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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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If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following?a. molarity
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2. asked by krystal
3. 1,068 views
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
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A dilute tetraoxosulphate(vi)acid B, contains 2.0g of NaOH per 250cm3 of solution. 25cm3 of B requires 20.0cm3 of A for complete
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2. asked by Christiana
3. 685 views