Formula of the hydrate BaCl2 * 2 H2O Weight of water lost 1.407 g. Weight of Anhydride 8.572 g.
What is the experimental percent water, what is the theoretical percent water, and what is percent error?
Formula of the hydrate BaCl2 * 2 H2O Weight of water lost 1.407 g. Weight of...
determining the formula of a hydrate of calcium chloride (CaCl2·X H2O). Mass (g) Crucible and Lid 28.4735 Crucible and Lid + hydrate salt 33.1938 Crucible and Lid + anhydrous residue 32.0339 What is the mass of the hydrate? mass = ___ g What is the mass of the anhydrous residue? mass = ___ g What is the mass of water lost upon heating the sample? mass = ___ g How many mol of H2O were lost upon heating? (H2O: 18.016...
Please help me with it What was the weight percent of water in the hydrate before heating? Put answer in one decimal place. weight of water O.505 weight of hydrate 2.209 How many moles of water were lost if the amount of water lost was 0.415 grams? Do not include units and assume three significant figures m all numbers. Be sure to include the zero before the decimal if the number is less than one. How many moles of water...
please help me answer these questions,the name of the hydrate used is filled in on page 1(CaSO4•H2O) Lab 09 - Percent of Water in a Hydrate Post-Lab Questions Name Date Instructor Section 1. What is the name of the hydrate that you used in this experiment? Casoy H2O 2. What is the formula of the hydrate that you used in this experiment? 3. From its formula, what is the percentage of water in your hydrate? This is your theorectical value....
Barium chloride dihydrate has the formula BaCl2 · 2H2O. Assume there is another hydrate (BaCl2 · xH2O). If 20.73 g of this other hydrate gives 16.22 g of anhydrous BaSO4 upon treatment with sulfuric acid, calculate the value of x (x will be an integer).
1. What are the formula and name of your hydrate? CuSO4.5H₂0 Cappen (1) Sulfate Pentaluchate 2. Calculate the percent by mass of water in your hydrate. If the copper(II) sulfate hydrate should contain 36.08 % by mass of water, what is the % error of your experimental result? Using formula. CuSO4 5H20 ? Using frumula ss of water, what is the scoperir) sulfate
3. What happens when a hydrate is heated? 4. A hydrate of CoCl, with a mass of 6.00 g is heated strongly. After cooling, the mass of the anhydrate is 3.27 g. a. How many grams of H2O were lost from the hydrate? b. What is the % water in the hydrate? c. What is the formula of the CoCl, hydrate? d. Write the equation for the dehydration of the CoCl, hydrate.
The following data were obtained when a hydrate was heated: crucible +sample 31.781 g 30.501 g empty crucible crucible + sample after heating 31.100 g 1. Calculate the % water in the hydrate. SHOW WORK. 2. Decide whether the sample was BaCl 2H20 or MgCl 6H2O by calculating the theoretical % water in each compound and comparing to your answer in #1. SHOW WORK. Formula weights: 95.218 g/mole MgCl2 208.25 g/mole BaCl2 НаО 18.0153 g/mole 89
19,915g 7. Calculate the theoretical percent water in the hydrate. [10 pts.] Note: The theoretical formula for the hydrate is MgSO4.7H20 [periodic table includes significant figures] 1900 FO
Experiment 3: Determination of Percent Water in a Hydrate Data Sheet Run #1 Run #2 _37.032 g Mass of crucible and cover 38.067 g Mass of crucible, cover and hydrate Mass of hydrate taken for 2-1- analysis 38.Ona _37.713 g Mass of crucible, cover and residue (after heating) _8 - Mass of H20 lost 6. _(FW=18.015 g/mol) mol Moles of H20 lost 13 3521 % % Percent of H20 lost .8 Mass of residue (anhydrous salt) mol Moles of anhydrous...
Post lab Questions: 1. While performing the formula of hydrate laboratory experiment, the lid accidently slips over the crucible to completely seal the crucible. a. What effect this change will cause on your calculated experimental results? Explain. b. Would your calculated percent water of hydration be high, low or unaffected? Explain your answer. 2. A student was asked to identify a sample of unknown hydrate. Student was provided with the following experimental data. 3.51 g sample of the hydrate when...