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What is the mole fraction of solute and the molal concentration for an aqueous solution that is 16.0% NaOH by mass?
1 how many grams of carbon dioxide co2 gas at are contained in a volume of 344 liters at stp?2 how many kilograms grams
the intermediate(s) structure and reaction conditions, They are multistep so if you could please explain the route you chose
A 5.95-g sample of AgNO3 is reacted with BaCl2 according to the equation to give 3.21 g of AgCl. What is the percent yield of AgCl? AgNO3(aq) + BaCl2(aq) --> AgCl(s) + Ba(NO3)2(aq)
When the following reaction is balanced in acid solution using the lowest possible whole number coefficients, the coefficient of Cl2(aq) will be: Cl-(aq) + MnO4-(aq) ---> Cl2(aq) + Mn2+(aq)
A student reacted 0.22 g of zinc (Zn) with excess hydrochloric acid (HCl) to generate hydrogen gas (H2).
Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- The pKa of this reaction is 4.2. In a 0.53 M solution of benzoic acid, what percentage of the molecules are ionized
What is the change in the internal energy of the system as the system travels down the isotherm from state A to state C? Change in internal energy down the isotherm
what will the freezing points be of the resulting solution? kf(H2O)=1.86 C/m
write the chem equation for the reaction which occurs when solutions of potassium sulfide and iron (II) chloride are mixed.
On a IR Spectrum chart, where would the one or two absorptions be located that distinguish the compound Diethl Ether
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
Calculate the uncertainty in the distance of the electron (in Angstroms) at any point during its 25 Angstrom journey. (HINT: remember velocity = distance/ time)
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