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the concentration of a mixture

A 75% alcohol concentration mixture of water and alcohol was made by mixing 30ml of pure alcohol with 150 ml of original mixture
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2. asked by Carllll needs help
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When HCl(aq) is exactly neutralized by NaOH(aq), the hydrogen ion concentration in the resulting mixture isa. always equal than
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2. asked by Julia
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180 ml of a mixture of water and alcohol with 90% alcohol concentration is mixed with 70 ml of pure water. what is the alcohol
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2. asked by julia
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A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2.(a) What mass, in grams, of calcium
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2. asked by Freddy
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Q1. A 0.5 g mixture of Cu2O and CuO contain 0.425 g Cu. What is the mass of CuO in the mixture?Q2. A chemist wants to prepare
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2. asked by Adem Rutger
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cyclohexane=1.4264 toluene=1.4967 at 20˚CMixture=1.4563 at 20˚C Assuming that the relationship between refractive index and
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2. asked by Lauren
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Find the volume, in L, of 100g gas mixture containing 10.0 mol% hydrogen in nitrogen at 30.0C and 5.00 atm. Use the avg
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2. asked by Simon
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A 0.4550g solid mixture containing CaSO4 dissolved in water and treated with an excess of Ba(NO3)2, resulting in precipitation
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2. asked by JACI WINLOW
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For the reaction3 O2(g) reverse reaction arrow 2 O3(g) If the equilibrium mixture is analyzed and [O2(g)] is found to be
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2. asked by Jane
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Question: A volume of 26.00ml of 4.30 M. HCL is mixed with 33.70 ml of 10.80 M H3PO4 s mixture is diluted to 1.00 liter with
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2. asked by Eliz
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