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Problem- CuSO4*5H2O If you separately dissolve each of these masses (0.393g and 0.039g) into 25.0 mL, than dilute 10 mL of each one to a final volume of 100.00 mL, what is the concentration in g Cu2+ per 250 mL in each diluted solution?
Please answer only if you are 100% confident
2.3 grams of sodium reacts violently with excess water and 0.080 grams of hydrogen are collected. What are the theoretical and percent yields of hydrogen gas
For 300.0 mL of a buffer solution that is 0.325M in CH3CH2NH2 and 0.300 in CH3CH2NH3CL, calculate the initial and the final after adding 0.005 mol of NaOH.
Methanol (CH3OH) reacts with oxygen to produce carbon dioxide and water. How many grams of oxygen will be required to react completely with 200 grams of CH3OH? What mass of water will be produced during the reaction?
Mark all the true statements A.) The value of [R]/[P] is the equilibrium constant B.) The amount of P present will not change. C.) The concentration of [R] is constant. D.) The reaction P--> R no longer takes place
Estimate the isoelectric point of a Ser-His dipeptide. Explain why this value is only an estimate
Acidic and basic solutions have distinct physical and chemical properties. For chemistry courses, especially those with a laboratory component, it is important that you be able to distinguish these properties
A 500.0 mL sample of 0.200 M sodium phosphate is mixed with 400.0 mL of 0.237 M barium chloride. what is the mass of the solid produced
An 8 g of SO3 was placed in an evacuated container where it decomposed at 600 degrees Celsius. At equilibrium, the total pressure and density were 1.8 ATM and 1.6 g/L. Calculate constant pressure.
What volume of a 0.170 M NH4I solution is required to react with 963 mL of a 0.440 M Pb(NO3)2 solution? How many moles of PbI2 are formed from this reaction?
Analyze the groups bonded to the carbon of interest. Every H contributes +1, and every oxygen contributes -2. An -OH group contributes (-2 + 1 = -1). Ignore carbons bonded to the carbon of interest. The sum of the oxidation states must be zero, si..
Can someone please explain the chemistry of lidocaine synthesis to me. We made lidocaine in the lab and used 2,6 dimethylaniline, glacial acetic acid, chloracetyl chloride, sodium acetate, toluene, diethtylamine, hexane, HCL, potassium hydroxide a..
If 20.0 ml of glacial acetic acid (pure ) is diluted to 1.20 L with water, what is the of the resulting solution. The density of glacial acetic acid is 1.05.
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