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If a 10.00mL sample of unknown concentration of HF is titrated with 28.94mL of 0.1040M NaOH, what is the concentration of HF?
what is the molar mass of the acid? If the standardization of the NaOH solution, why is it important to rinse the wet pipet with small portions of the standard oxalic acid solution
Calculate the molar solubility of stronium fluoride (SrF2) when dissolved in a 0.0800 M solution of stronium nitrate
methyl alcohol (CH3OH) is made by reacting carbon dioxide with H2. Starting with 2.5g of H2 and 30.0 L of Co, what mass of methyl alcohol could be produced at STP.
A pound of coffee beans yields 53 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1 of coffee beans?
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
what is the density of hydrogen sulfide at 1.2 atm and 307 K? answer in units of g/L
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
undergo combustion according to the unbalanced equation C2H6+O2=CO2+H2O how many moles of oxygen are required?
A buffer solution contains 0.386 M NH4Cl and 0.316 M NH3 (ammonia). Determine the pH change when 0.064 mol HBr is added to 1.00 L of the buffer
If the O2 was the excess reagent, 8.3 mol of H2S were consumed, and 137.1g of water were collected after the reaction has gone to complain, what is the percent yield of the reaction?
Acetylene gas (C2H2) is produced as a result of the following reaction. CaC2(s)+2H2O(l) = C2H2(g)+Ca(OH)2(aq) . If 32.0 g of CaC2 are consumed in this reaction, how many moles of H2O are needed?
For each of the following processes, decide whether it is spontaneous or non-spontaneous.
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