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You have 25 ml of 0.5 M standard NaOH solution (density 1.03 g/ml at 20oC) and copious quantitiesof distilled water. Explain how you would prepare a 10^-3 molal solution; density of water at 20oC is0.9982 g/ml
Calculate the attractive force (in Newtons) between a cation with a valence of +3 and an anion with a valence of -2, the centers
What is the pH of a solution made of 10 mL of 0.1 M Nh3 (aq) (K = 1.8 X 10^-5) when mixed with 10 mL of 0.1 M NH4Cl
An unknown compound contains only carbon, hydrogen, and oxygen (C_xH_yO_z). Combustion of 5.50 of this compound produced 8.07 of carbon dioxide and 3.30 of water.
Calculate the mass of KHC8H4O4 ( molar mass 204.44 g/ mol) that reacts with 15 mL of the NaOH solu-tion in Part A. 3. NaOHsolu-tioninPartA.3.
The metals in group 3A, 4A and 5A are not transition metals, however all but 1 has variable charges. What element in Group 3A, period 3 has a fixed charge, and what is that charge
When you combine 2-ethoxybenzaldehyde and 4-heptanone what is the product and structure of that product. With 95% ethanol and 3M sodium hydroxide
Sodium carbonate is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×103 of sulfuric acid solution?
What is the central atom for NH3, how many bonds are formed, what's the polarity and what's the direction of electronegativity
An infant ibuprofen suspension contains 100 mg/5.0 mL suspension. The recommended dose is 10mg/kg of body weight.
What is the most important extra step that has to be included in the first approach technique for assigning electrons in a heteronuclear diatomic molecule?
Which of the following mixtures has the lower pH. A) Equal volumes of 0.10M HClO4 and 0.10M NaOH. B) Equal volumes of 0.10M HClO4 and 0.10M NH3.
How much ice (in grams) would have to melt to lower the temperature of 355 mL of water from 26 degrees C to 6
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