e Shenon at is the difference between hydrogen chloride and hydrochloric acid? Hydrogen chloride is a...
Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 4.34 mol of magnesium and 4.34 mol of hydrochloric acid are reacted, how many moles of hydrogen gas are produced? a. 8.68 mol b. 2.17 mol c. 4.34 mol d. 6.34 mol e. none of these
Part A 0.30 g of hydrogen chloride (HCI) is dissolved in water to make 2.0 L of solution. What is the pH of the resulting hydrochloric acid solution? Express the pH numerically to two decimal places View Available Hint(s) VAXD ? pH= Submit
1. A sample of hydrochloric acid (HCI), which is an acid, with a mass of 0.7302 g is dissolved in water and used to standardize a solution of barium hydroxide. An endpoint is reached when 47.81 mL of barium hydroxide has been added. Determine the molarity (in mol/L) of the barium hydroxide solution. Report your answer to four significant figures. Submit Answer Tries 0/13 2. The standardized barium hydroxide solution is then used to titrate 13.86 mL of a solution...
A certain hydrochloric acid solution has a mole fraction of 0.23 HCI. the density of this solution is 1.18g/mL a. how many moles of HCI are in 1 mole of solution? b. what is the weight percent of HCI in this solution? c. what is the molarity of HCI in this solution? d what is the molality of HCI in this solution? e. what is the weight percent of water in this solution? f. what is the mole fraction of...
Part A Manganese reacts with hydrochloric acid to produce manganese(II) chloride and hydrogen gas. Mn(s) + 2 HCl(aq) + MnCl, (aq) + H (9) When 0.620 g Mn is combined with enough hydrochloric acid to make 100.0 mL of solution in a coffee-cup calorimeter, all of the Mn reacts, raising the temperature of the solution from 23.5°C to 28.6 °C. Find AHxn for the reaction as written. (Assume that the specific heat capacity of the solution is 4.18 J/g °C...
"Be mindful of significant figures."
2. A sample of nitric acid is prepared which contains 0.0030 moles of HNO, in water to make 1500 mL of solution. This is a strong acid and completely dissociates: HNO3 + H2O → H3O+ + NO3- Calculate the molarity of the solution (moles/liter), its [H,0"), and its pH value.
Zinc metal reacts with hydrochloric acid produce zinc chloride and and hydrogen. When 0.103g of zinc is combined with enough hydrochloric acid to make 50mL of solution in a coffee cup calorimeter raising the temperature from 24.5 to 32.33 degrees celsius. Please calculate the heat flow and change in enthalpy.
10. Zinc metal reacts with hydrochloric acid to form zinc chloride and hydrogen gas. a. Write a balanced reaction (2 pts) b. How many moles of HCl are consumed per 0.4 mole of zinc? (3pts) C. What volume of hydrogen gas is produced at standard temperature and pressure per 2.5 g of zinc used? (6 pts)
Sodium carbonate, Na2COs, reacts with hydrochloric acid, HCl, to produce sodium chloride, carbon dioxide and water. Refer to slide 7.18 for a summary of formulae relevant to the calculations below. 2HCI(aq) Na,cO3(aq) NaCl(aq) H2O(I) CO2(g) 1. Use this reaction to explain what is meant by the terms "acid", "conjugate base" and "salt". (6 marks) 2 Balance the equation for this reaction. (2 marks) A solution was prepared by dissolving 5.00 g of Na,CO3 in water and adding water to give...
Question 16 Hydrochloric acid is prepared by bubbling hydrogen chloride gas through water. What is the molarity of a solution prepared by dissolving 219 L of HCl(g) at 37°C and 8.91 atm in 5.99 L of water? Question 17 What is the molar mass of a gas if 1.33 grams of the gas in a 0.497 L flask at 425 K has a pressure of 1.59 atm? Use R = 0.0821 Latm/molK Question 19 A 60.3 gram piece of lead...