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The chemical formula for hydrogen chloride is HCI. A chemist determined by measurements that 0.015 moles...
A chemist determined by measurements that 0.0800 moles of potassium participated in a chemical reaction. Calculate the mass of potassium that participated in the chemical reaction. Be sure your answer has the correct number of significant digits. 070 x 5 ?
O CHEMICAL REACTIONS Calculating molarity using solute moles A chemist prepares a solution of aluminum chloride (AICI) by measuring out 92.4 mol of aluminum chloride into a 300. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's aluminum chloride solution. Be sure your answer has the correct number of significant digits. 0
Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H20). Suppose 1.09 g of hydrochloric acid is mixed with 0.72 g of sodium hydroxide. Calculate the maximum mass of sodium chloride that could be produced by the chemical reaction. Round your answer to 2 significant digits.
Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H,0). Suppose 13. g of hydrochloric acid is mixed with 8.54 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits. 04 0. X 5 ?
O RE BEACTIONS Solving a redox sitration problem To measure the amount of calcium carbonate (CaCO) in a seashell, an analytical Chemist crushes a 3.20 g sample of the shell to a fine powder and titrates it to the endpoint with 375. ml. of 0.1500 M hydrogen chloride (HCI) solution. The balanced chemical equation for the reaction is: 2HCl(aq) + Co (aq) → H2CO3(aq) + 2a" (aq) What kind of reaction is this? Oprecipitation acid-base redox If you said this...
e Shenon at is the difference between hydrogen chloride and hydrochloric acid? Hydrogen chloride is a gas while hydrochloric acid is aqueous 3. Calcul Calculate the molarity (moles of tert-butyl chloride per liter of solution) of the tert-butyl chloride in acetone given at the end of this week's lab procedure. Show your work. The density of tert-butyl chloride at room temperature is 0.842 g/mL). - = 0.00492 L ) 0.842 100ML 9.1439 x ImL * IL 0.842 M = o.ous...
Ammonia will decompose into nitrogen and hydrogen at high temperature. An industrial chemist studying this reaction fills a 5.0 L flask with 1.3 atm of ammonia gas at 46. °C . He then raises the temperature, and when the mixture has come to equilibrium measures the amount of nitrogen gas to be 0.39 atm . Calculate the pressure equilibrium constant for the decomposition of ammonia at the final temperature of the mixture. Round your answer to 2 significant digits. kp=_______
A chemist adds 305.0mL of a 0.32/molL copper(II) sulfate CuSO4solution to a reaction flask. Calculate the mass in grams of copper(II) sulfate the chemist has added to the flask. Round your answer to 2 significant digits.
The reaction of hydrogen chloride(g) with ammonia(g) to form ammonium chloride(s) proceeds as follows. HCI(g) + NH3(g) - NHACI(S) When 10.4 grams of HCl(g) react with sufficient NH3(g), 50.2 kJ of energy are evolved What is the value of AH for the chemical equation given? АНrxn=
A chemist weighed out 101. g of iron. Calculate the number of moles of iron she weighed out. Be sure your answer has the correct number of significant digits. mol x 5 ?