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What volume of each of the following solutions contains the indicated amount of dissolved solute? 1.) 4.50g solute in 0.475 M KNO3 2.) 4.50g solute in 0.475 M AlBr3 3.) 4.50g solute in 1.00 M Co(C2H3O2)2 4.) 4.50g solute in 1.00 M (NH4)3PO4
The relative sweetness of sucralose is 60000. The relative sweetness of sugar is 100. How many grams of sucralose would you need for a solution that has the same sweetness as one made with 2.00g of sugar
Draw the structure of the major organic product formed in the reaction of 1-methylcyclohexene with ozone followed by dimethyl sulfide
A piece of lead is placed into a graduated cylinder. The level of the liquid rises from 235 to 305 mL. What is the mass in grams of the lead if the density of lead is 11.3g/cm3?
Calculate the empirical and molecular formulae of A and B. Deduce the structural formulae of A and B. State the type isoerism exhibited by A and B.
Write a balanced net ionic equation for the reaction of each of the following aqueous solutions with H+ ions.
A student constructs a coffee cup colrimeter and places 50 ml of water into it. After a brief period of stabilization, the temp of the water in the calorimeter is 23.5 celsius
The combustion of the alternative fuel, hydrogen gas, released 286 kj per mole of hydrogen gas combusted. if 10.0 l of hydrogen gas at STP was burned to produce electricity, how long would it power a 100 watt light bulb. assume no energy is lost t..
oximes, phenylhydrazones and semicarbazones all belong to a family of compounds known as imines. what structural feature in these compounds makes this generalization valid
3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ? C. After the combustion, the temperature is 26.55 ? C
How much energy is released when 32.4 g of water freezes? The heat of fusion for water is 6.02 kJ/mol.
Consider the following reactions and select the false statement below. CO2(g) + OH?(aq) ? HCO3?(aq) Cr3+(aq) + 6H2O(l) ? Cr(H2O)63+(aq) A. in Cr(H2O)63+ the Cr3+ is attracted to the H2O molecules via ion-dipole intermolecular forces
What is the initial concentration (in M) when 17.8 mL of a iron(lll) chloride solution was diluted with 15.3 mL of solvent to a final concentration of 0.725 M? Assume the volumes are additive.
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