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In a laboratory 6.80g of Sr(NO3)2 is dissolved in enough water to form 0.450L of solution. A 0.120L sample is withdrawn from this stock solution as well as titrated with a 0.0300M solution of Na2CrO4.
Explain what volume of Na2CrO4 solution is needed to precipitate all the Sr+2(aq) as SrCrO4?
when glucose is methylated with dimethylsulfate in aqueous base and then hydrolyzed with dilute acid the only product
the formation of so3 from so2 and o2 is an intermediate step in themanufacture of sulfuric acid and it is also
While 8.8 g of NaCl(s) is added to a 250 mL solution of 0.75 M silver nitrate (AgNO3), if the chloride ions combine with silver ions, and precipitate as AgCl(s) at the bottom of the solution. Explain what concentration of Ag+ ions remains dissolve..
In which of the compounds CH4, NH3,H2O, SiH4, or H2S does hydrogen bear a partial negative charge
Ascorbic Acid (Vitamin C) is diprotic acid (Ka1= 8.00x10^-5 and Ka2= 1.60x10^-12). What is the pH of a 0.250M solution of ascorbic acid?
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
A person ate 0.451 pound of cheese (an energy intake of 3610 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
a muon is a fundamental particle equivalent to a one electron atom. the particle has z 2 and a negatively charged
Write the balanced equation for neutralization of sulfuric acid and sodium hydroxide. How many mL of a 0.2 M solution of sodium hydroxide would be required to neutralize
Consider the combustion reaction between 30.0mL of liquid methanol ( density = 0.850 g/mL) and 15.0L of oxygen gas measured at STP. The products of the reaction are CO2 and H2O
Arrange the following solutions in order of decreasing freezing point- 0.20 m MgCl2, 0.15 m C6H6, 0.10 m CrBr3, 0.15 m CH3CH2COOH, 0.35 m NaCl.
What is the probability of populating the first excited vibrational state (n = 1) at 298 K? Does isotopic substitution affect the probability? Would the intensity of absorption peaks be affected by isotopic substitution?
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