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A 21.6 mL volume of 0.107 M NaOH solution, reaches the stoichiometric point in the titration of a 25.0 mL aliquot of nitrous acid, HNO2. What is the molar concentration of the HNO2 solution?
an aerosol can holds 0.35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure.
in the reaction P4+5O2->2P2O5, how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
Calculate the concentration of a NaOH solution if 0.1379 g of succinic acid (H2C4H4O4, 118.09 g/mol) requires 12.4 mL of NaOH solution
Combustion of 2.80 g of this compound produced 5.59 g of CO2 and 2.29 g of H2O. What is the empirical formula of the unknown compound?
A reaction of one liter of chlorine gas with 3 liters of fluorine gas yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
The density of the propane is 0.621 g/ mL Hint: begin by writing a balanced rquation for the combustion reaction.
How much heat is required to convert 83 g of nitrogen gas to NO2 at constant temperature and pressure in the presence of excess oxygen
which of the following best describe the geometry about the carbone-carbon double bond in the alkene? choose from the following answer. (a) E (b) Z (c) neither E nor Z
Find the volumes required of Catechol and Ethanol to create a mixture of 50uM Catechol and 50uM Ethanol. Both solutions are 5mM stock
if the syinge colume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?
Calculate the mass defect and nuclear binding energy per nucleon of the each of the nuclides indicated below. A)Ti -48 (atomic mass = 47.947947 amu) mass defect = ______amu and Binding energy nucleon = ______MeV/nucleon
Suppose the reaction Ca3(PO4)2 + 3H2SO4 ------ > 3CaSO4 + 2H3PO4 is carried out starting with 103 g of Ca3(PO4)2 and 33.7 g of H2SO4. How much phosphoric acid (H3PO4) will be produced?
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