State the empirical formula for hydrated alum

Assignment Help Chemistry
Reference no: EM13162127

Mass of aluminum cup 2.5g Mass of aluminum cup +alum 4.5g Mass of cup + alum after 1st heating 3.5g Mass of cup + alum after 2nd heating 3.6g Mass of cup + alum after 3rd heating 3.1g Mass of alum 0.6 Mass of water lost 1.4 B. Determine the moles of H2O lost. E. Write the empirical formula for hydrated alum, based on your experiment.

Reference no: EM13162127

Questions Cloud

What is its final internal energy : The gas receives 525 J of heat from its surroundings and does 428 J of work. What is its final internal energy?
Compute the equilibrium extent of reaction : C2H4(g) + H2O(g) C2H5OH(g) 1 mol C2H4, 1 mol H2O at 355K and 1 bar. Using equilibrium constant approach, calculate the equilibrium extent of reaction and the mole fractions
Calculate the change in energy of the gas : A gas expands and does P-V work on the surroundings equal to 345 J. At the same time, it absorbs 191 J of heat from the surroundings. Calculate the change in energy of the gas.
What is the income elasticity of demand for movie tickets : After correcting the sign in the demand function, what is price elasticity of demand for movie tickets and what is the income elasticity of demand for movie tickets?
State the empirical formula for hydrated alum : Determine the moles of H2O lost. E. Write the empirical formula for hydrated alum, based on your experiment.
What is the density of the metal : A piece of metal with a mass of 169 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 38 mL. What is the density of the metal?
Which element requires the least amount of energy : Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
Explain why would the formation of free fatty acids inhibit : Write a balanced chemical reaction for the formation of a free fatty acid from a soap molecule under acidic conditions. Why would the formation of free fatty acids inhibit the cleaning ability of the soap
What is the molarity of the solution : A solution has a volume of 2.0 L and contains 36.0 g of glucose. If the molar mass of glucose is 180g/mol, what is the molarity of the solution? Answer must be expressed in dimension analysis.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the amount of heat required

Calculate the amount of heat required to completely sublime 68.0 g of solid dry ice CO_2  at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kj/mol.

  How many sulfur atoms are in 23.2 g of c6h10s

Allyl sulfide, C6H10S, is a compound that has the odor of garlic. How many sulfur atoms are in 23.2 g of C6H10S?

  Calculate the number of moles of hydrogen produced

At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.

  How many atoms of argon gas at stp

A container with a volume of 101 L contains how many atoms of argon gas at STP?

  How much heat is needed to vaporize 2.42 g of liquid oxygen

How much heat is needed to vaporize 2.42 g of liquid oxygen if the molar heat of vaporization for oxygen is 1,629 cal/mole?

  Compute the pressure of hydrogen gas

What volume of 0.200M Hydrochloric acid must combined to 250mL of 0.300M C8H7NaO3 to produce a buffer of solution with a pH of 3.37?

  Oxone is sometimes used in keeping swimming pool water clean

Oxone is sometimes used in keeping swimming pool water clean. Describe using chemical reactions how Oxone keeps swiming pool water clean

  What is the percent yield of this reaction

Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.

  Explain why does benzyl alcohol a primary alcohol

Why does benzyl alcohol, a primary alcohol, react rapidly in the presence of HCl to form benzyl chloride? If it's primary, shouldn't the reaction be slow?

  Explain terephthalic acid and ethylene glycol

We had to do an experiment that depolymerized PET into terephthalic acid and ethylene glycol using 1-pentanol and KOH. One of the post-lab questions is as follows:

  Define converting grams and moles

Converting Grams and Moles, To do this assignment, use your calculator to do the calculations required. Then invert the calculator to read the message word. Insert the message word into the appropriate space in the statement

  How much heat is released

How much heat is released when 4.50 g of methane gas is burned CH4 (g) + 2O2(g) -> CO2 (g) + 2H2O(l)     H=-890kJ

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd