What is the percent water by weight in this hydrate

Assignment Help Chemistry
Reference no: EM13162673

An analysis showed that 25.0 g of this hydrate, CoCl 2 * 6 H 2 O, contains 11.3 g of water. What is the percent water by weight in this hydrate?

Reference no: EM13162673

Questions Cloud

What is the empirical formula for the hydrocarbon : What is the empirical formula for the hydrocarbon?
What is the mass of the steel bar : 80.0 of is initially at room temperature (22). A chilled steel rod at 2 is placed in the water. If the final temperature of the system is 21.5, what is the mass of the steel bar?
What is the number of water molecules in the formula : The compound KB5O8·X H2O was analyzed and found to contain 24.6% of water. If the formula weight of this compound is 293.15 g/mol, what is the number of water molecules (X) in the formula?
Calculate the activity coefficient of glucose in solution : A solution is made up by dissolving 73 g of glucose in 966 g of water. Calculate the activity coefficient of glucose in this solution if the solution freezes at -.66 degrees C.
What is the percent water by weight in this hydrate : An analysis showed that 25.0 g of this hydrate, CoCl 2 * 6 H 2 O, contains 11.3 g of water. What is the percent water by weight in this hydrate?
What is the ph of the resulting hydrochloric acid solution : 0.45 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
Calculate the equivalent weight of the metal : The liberated hydrogen occupied a volume of 320ml when collected over water at 25 degrees celcius and the pressure of the gas was equalized to the atmospheric pressure of 750mm as in this lab. Calculate the equivalent weight of the metal, M.
What is the formula of the hydrate : a 1.628 gram sample of a hydrate of magnesium iodide is heated until all of the water is removed. its mass is now 1.072 grams. what is the formula of the hydrate?
Calculate the change in enthaply : A calorimetry experiment determined that the combustion of 1.01 g of H2 reacting with excess O2 producing H2O gave q=143 kJ. Calculate the change in enthaply.

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the ph change

total molarity of acid and conjugate base in this buffer. A boy mixes 5.70mL of a 0.330M Hydrochloric acid  solution to the beaker. Determine the pH change if  The pKa of acetic acid = 4.760.

  Detremine the volume of co2

Detremine the volume of CO2 produced at the temperature of 23 degree celsius and pressure of 0.985atm?

  What is the molality of a solution

What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol?

  Determine the molarity of a solution of sodium hydroxide

Determine the molarity of a solution of sodium hydroxide (NaOH) if 27.9 mL of this solution combines exactly with 22.30 mL of 0.253 M

  State what mass of hcl gas must be added to buffer

What mass of HCl gas must be added to 1.00L of a buffer solution that contains [acetic acid]= 2.0M and [acetate]= 1.0M

  How many total moles of gas are produced

If a sample containing 3.00 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?

  How many grams of iron are formed

How many grams of iron are formed when 275 grams of carbon monoxide react with excess Fe2O3

  How many moles of oxygen atoms are combined

How many moles of oxygen atoms are combined with 4.20 moles of chlorine atoms in Cl2O7?

  Explain two disadvantages of the colorimetric method

Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents

  What mass of glucose is produced

in photosynthesis, plants use energy from the sun in combination with carbon dioxide and water to form glucose (C6H12O6) and oxygen. If 4.50 moles of water react with carbon dioxide, what mass of glucose is produced?

  Explain the environment and its reactions in the atmosphere

Show why this chemical is dangerous, by showing chemical reactions for its formation in the environment and its reactions in the atmosphere.

  Evaluate the time taken by a reactant

Chemical Kinetics - Determine the time taken by a reactant to reach a particular concentration

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