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Assume that the initial purple solution is 16.05mg/L in sodium salicylate, 0.15M in HCl and 0.065 M in iron(III) ions. What are the concentrations of these three once you diluted the 10.00 mL to a final volume of 50.00 mL in the volumetric flask
Small samples of oxygen gas needed in the laboratory can be generated by any number of simple chemical reactions, such as 2KClO3(s) 2 KCl(s) + 3 O2(g) According to this balanced chemical equation, how many moles of oxygen gas are produced from the..
Carbon and silicon belong to the same group and are known to have similar properties
A solution containing 3.50 of sodium carbonate is mixed with one containing 5.00 of silver nitrate. How many grams of sodium carbonate are present after reaction?
What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
what is the volume of the capillary tube and its associated error? What measurement must be made to a higher precision to decrease the error in the volume?
Suppose that microwave radiation has a wavelength of 11.2cm. How many protons are required to heat 245mL of Coffee from 25.0 C to 62.0C? Assume that the coffee has the same density,
what are the equilibrium concentrations of [H2C2O4],[HC2O4-1],[C2O4-2] and [H+] in a 0.200 M solution of oxalic acid (H2C2O4)
What is the vapor pressure of each of the solution components in the mixture? What is the total pressure above the solution?
A compound is analyzed and found to contain 12.1% carbon, 16.2% oxygen, and 71.7% chlorine (by mass). Calculate the empirical formula of this compound.
What volume of this solution is required to make 1.50 L of 2.75 mol/L NH3(aq)? Give your answer in millilitres, accurate to three significant figures.
Chlorine gas (Cl2) forms when two chlorine atoms share an electron. What type of bonding is present in chlorine gas?
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