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A student preapred a stock solution of the assigned compound by weighing 2.345 grams of Cu(No3)2 6H20 [nickel(ii) nitrate hexahydrate] and diluting it with water to a final volume of 25.00 mL.
From this stock solution, the student then took 2.00mL and diluted it to a final volume of 10.00mL with water. What is the final concentration of this diluted solution?
Give the balanced chemical equation, the ionic equation and the net ionic equation for the production of barium sulfate from aluminum sulfate and barium nitrate.
How would you create a 100ml solution with both 2.6M NaCl & 0.5M EDTA if your stock solutions are 5M NaCl & 2M EDTA? How much DH2O would you need to add
Using a table of standard reductions, determine what the potential of each reduction below would be versus the S.C.E. a. Ag+ (aq) + e - ? A(s) b. Ni2+(aq) + 2e- ? Ni (s)
A sample of nitrosyl bromide (NOBr) decomposes according to the equation 2NOBr(g)-->2NO9g) +Br2 An equilibrium mixture in a 5.00- vessel at 100 degrees celsius contains
For a chemical reaction that has a positive delta Ho value and a negative delta So value, under what conditions will the reaction proceed spontaneously toward products
When an aldehyde is reacted with an alkyl lithium compound, after acid hydrolysis the result is a) a ketone b) a primary alcohol c) a secondary alcohol d) a tertiary alcohol
why is it important that cooling water in distilling apparatus enters conceder jacket at at the lower end and exit at the upper end, and not vice versa?
upon catalytic hydrogenation unknown Z gives cyclooctane. Oxonolysis of Z followed by reduction with dimethyl sulfide, gives a three0carbon dialdehyde and a five-carbon dialdehyde. Draw the stucture of Z.
When 5.00g of Al2(SO4)3 * 18H2O are heated until it dehydrates how many grams of water are produced
starting with a 0.1 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution, that on average, has fewer than one molecule of solute per liter of solvent
What is the heat of the reaction which forms 1.00 mole of gaseous monatomic bromine from 0.500 mole gaseous diatomic bromine.
Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 25.9 L of fresh water at 20 °C with an applied pressure of 65.0 bar.
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