What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 kg of water? What is the molality of a solution in which 6.0 moles of NaCl is dissolved in 3.0 kg of water? Calculate the molality of an aqueous solution that is 9.70% NH3 by mass. The density of ...
In a potentiometric titration, what is meant by the equivalence point? Which of the following titrations will result in a noticeably basic solution at the equivalence point? - KOH(aq) + HI(aq) - HClO4(aq) + NaOH(aq) - NH3(aq) + HClO4(aq) - CH3COOH(aq) + NaOH(aq) - NaHCO3(aq...
Question: What is the mass of 1 mole of a raindrop? Mole: The Mole is a unit that represents a certain number. It is defined as the number of carbon atoms contained in a pure sample carbon-12 of mass12g. The constant number of called the Avogadro's constant. The order of the magni...
What is the High Electron Density on N in NH3? What is the atomic number of germanium? What is the mass number of argon? What is the density of argon gas (Ar) at 1.42 bar and 13.3^{\circ}C? Express your answer in g/L. What is the atomic mass of titanium? What is the density...
Some examples of covalent bonds are methane (CH4), hydrochloric acid (HCL), water (H2O) and ammonia (NH3). Hydrochloric acid pulls the electron pair toward the chlorine atom, which has a higher electronegativity to form a covalent bond. Water molecules have two hydrogen atoms that share their...
3.Write the Lewis structure for NH3 4.Whattype of elementsreceivevalence electrons to achieve a configuration of a noble gas? Non-metals that form anions Elements with high electronegativity 5.How is an ionic bond formed? Ionic bonds are formed when electrons are transferred from a cation to ...
(formulawt)ChemicalEquationC2H5OH+3O2 2CO2+3H2OCheckthattheequationisbalanced.Checkthattheequationisbalanced.•1moleofethanolreactswith►3molesofoxygen•1moleofethanolreactstoproduce►2molesofcarbondioxide►3molesofwater__NH3+__O2→__NO+__H2O1.Balancethechemicalequation2.Forevery1moleofNH3...
Find the value for each of the solutions below. 1) What is the molarity of a 125 mL solution containing 0.050 moles of NH3? 2) How many grams of KNO3 are required to make 2.0 L of 1.5 M KNO3? 3) What is the concentration of a solution created by dilutin ...
If 3.5 ml of distilled water is added to 1.5 ml of a 0.150M solution of COCl 2 what is the concentration of the resulting solution? If given a solution is 0.5 g/mL, find the concentration in mg/L. Calculate the concentration of all species in a 0.220 M C6H5N...
NH3 d. N2 Earth's atmosphere consists of 78% N2, 20% O2, and other gases. What is the partial pressure of N2 and O2 in torr when the atmospheric pressure is 1 atm? What metric should be used to determine which ...