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I take 250.0 mL of 0.250 M sugar and mix it with 500.0 mL of 0.100 M NaCl. What is the concentration of sugar in the mixture? What is the concentration of NaCl in the mixture?
consider the conbustion of methanech4nbspch4g 2 o2g - co2g h2ognbspsuppose 1.5 mol of methane is allowed to react with
When diborane (B2H6) dissociates in either solvents, such as tetrahydrofuran (THF), a complex between borane (BH3) and the ether is formed. (a) In the Lewis sense, what is the function of BH3 as it forms the complex? Explain.
Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.
N2 +3H2= 3NH3 What is the limiting reactant/ maximum number of moles of NH3 formed from 2.0 moles of n2 and 2.0 moles of H2
In acid based titration, 33.65mL of an 0.148 M M HCL solution were required to neutralize 25.00 mL of a NaOH solution . What is the molarity of the NaOH solution
A metal sulfide, M2(CO3)3, has a Ksp of 8.75 x 10^-42. What is the molar solubility of this sulfide in water. Assume the sulfide dissolves ideally (ignore hydrolysis effects).
How do you calculate the pH of a solution given the concentration of OH- ions?
What is the concentration of the HNO3 solution? Your response differs from the correct answer by more than 10%. Double check your calculations. M (b) How many moles of NaOH were in excess after the first addition?
a laboratory analysis showed that a silt loam soil contained 4 meq naper 100g soil. soil ph 8.7 and cec 15 meq100g
Zubrick and explain the meaning of the term 'salting out'. When might you want to do this? explain what we really are doing in this step and why it could not possibly be to salt-out the product at that point.
at ph 5-6 7-amino-2-naphthol undergoes coupling at the 8-position explain whynbsp at ph 10 the coupling occurs at the
The sample is titrated to the phenolphthalein endpoint with 15.17 mL of a sodium hydroxide solution. What is the molar concentration of the NaOH solution
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