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describe the preparation of 200 mL of 1.00% (w/v) aqueous CuSO4, from a 0.218 M CuSO4 solution.
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
If a single pill contains 0.150 grams of KCN How much HCl in grams would be necessary to consume all of the KCN
What osmotic pressure in atmospheres would you expect for a solution of 0.140M CaCl2 that is separated from pure water by a semipermeable membrane at 310 K?
Suppose that 27 g of each of the following substances is initially at 29.0 C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
Calculate the number of moles of Br2 that would react with 0.793 moles of AI to form AIBr3?
calculate the grams of magnesium oxide that can be formed from decomposition
Calculate the amount of n2 gas released(in liters) when the diver returns to the surface of the water where the partial pressure of N2 is 0.80 atm
what mass of KNO3 will crystalize out of solution if exactly 9.0x10^2g of its saturated solution at 75c is cooled to 25c
Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.
Circles, blocks, and triangles represent atoms.
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
A 14.31 g sample of hydrated magnesium sulfate (MgSO3• x H2O) is heated to remove the water of crystallization and 6.99 g of anhydrous magnesium sulfate (MgSO4) remains.
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