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What is the significant concentration

Consider the HF solution with the concentration 5%(w/v). Calculate its concentration in the molarity. Use four significant
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2. asked by Lisa
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Consider the HF solution with the concentration of 5% (w/v). Calculate its concentration in the molarity. Use four significant
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2. asked by Anonymous
3. 445 views
Find the hydroxide-ion concentration in an aqueous solution when the hydronium-ion concentration is 1×10^−10M. Recall that
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2. asked by Hannah
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Calculate the pH of a 5.75×10-2 M solution of the weak acid HCN (make an approximate calculation assuming that initial
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2. asked by HELP ASAP PLEASE
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can you help me with this write the correct significant figure and standard form Calculate the pH from each H3O" concentration.
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if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
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2. asked by Anonymous
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if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
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2. asked by Anonymous
3. 665 views
Calculate the [OCl-] of a 7.03×10-2 M solution of the weak acid HClO (make an approximate calculation assuming that initial
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2. asked by HELP ASAP PLEASE
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Calculate the concentration of the cobalt(II) chloride hexahydrate solution titrated in the fine titration experiment. Show your
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2. asked by Angela
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can you help me with this write the correct significant figure and standard form Calculate the pH from each H3O" concentration.
1. 1 answer
2. 118 views