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A 0.2054 gram sample of oven-dried sodium carbonate was used as the promary starndard to determine the concentration of a hydrochloric acid solution. The bromocresolgreen end point of the titration was reached after the addition of 30.00mL of hydrochloric acid solution. Calculate the concentration of the acid solution
Find out the exact significant figures for each of the values - Indicate the number of significant figures
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
Help me understand specifically why the dissociated phosphate ion would prefer to bond with cations like Al and Zn. I think I know why but help me better understand.
What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)
When CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced.
Suppose that 160 g of ethanol at 30?C is mixed with 230 g of ethanol at 76?C at constant atmospheric pressure in a thermally insulated vessel.
61.0 mL of a solution(1.60 M) is diluted to a volume of 208 mL. A portion of that solution(104-mL) is diluted using 121 mL of H 2 O. determine the final concentration?
A baseball pitcher's fastball is clocked at 100 miles per hour (mph). Calculate the wavelength of a 141 g baseball in nm at this speed.
What is the pH of a solution made by mixing 30.00 mL of 0.10 M acetic acid with 30.00 mL of 0.10 M KOH? Assume that the volumes of the solutions are additive. Ka = 1.8 × 10-5 for CH3CO2H.
what is the minimum amount of ice at 0C that must be added to the contents of a can of diet cola (340mL) to cool it from 20.5C to 0C?
How many L of O2 gas at STP, are needed to react with 15.0 g of Na using the following chemical reaction: 2Na(s) + O2(g) => 2NaO(s)?
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
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