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If 17.2 mL of a 0.85 M solution of NaOH were needed to reach the equivalence point of the titration of an acid sample, how many moles of acid were in the acid solution?
State balanced chemical equations for the reactions of the subsequent three metals with sulfuric acid, H2SO4. Underneath each reaction, State in order, (i) the group number of the metal element in the periodic table
what are the lewis dot structures for k2so4 ca3n2 c6h14 c2h4 ch3ch2
What is the concentration of H ion in 0.031 M HCLO4. what is the pH of the solution. What is the OH in the solution. by how much does the pH change if concentration of H is doubled.
there are two natuarlly occuring isotopes of rubidum. (85)Rb has a mass of84.9118 amu. (87)Rb has a mass of 86.9092 amu. Determine the abundance of each isotpe.
2 no g o2nbsp--gt 2 no2nbspga sample of air at a certain temperature is contaminated with 2.0ppm of no by volume. the
If a second order reaction is found to have a rate constant k equal to 1.57E3 M-1s-1. Utilize the appropriate integrated rate law to find out the half-life of the reaction.
How many grams of Na3PO4 will be needed to produce 475 ml of a solution that has a concentration of Na+ ions of 0.700M
A mass of 0.750 g calcium chloride is diluted with 975 g H2O. What is the chloride ion concentration (in ppm)?
Calculate the half-life, clearance and volume of distribution - calculate hepatic clearance and what assumptions you need to make in b) above so that your answer should be relevant?
What is the total pressure (Ptot) in the container in torr? What is the partial pressure of argon (Par) in the container in torr?
Why does BeCO3(s) rapidly decompose to BeO(s) and CO2(g) at low temperature, but CaCO3(s) must be heated to undergo decompostion to CaO(s) and CO2(g)
Why do chromatographic peaks increase in broadness with increasing retention time?
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