What is hydrate?
What “Law” is used to measure hydrate?
what is a goal of experiment "Empirical Formula of a Hydrate.” ?
What is hydrate? What “Law” is used to measure hydrate? what is a goal of experiment...
in lab formula of hydrate, student A used 10g of a hydrate while student B used 20mg of same hydrate. what is the disadvantage in using large sample? what is the disadvantage in using smaller sample?
Pre-lab Questions for Experiment-7 Hydrates and the Determination of the Formula of a Hydrate 1) What is the color for anhydrous salt of copper (ID) sulfate (CuSO.)? What is the color for ionic hydrate compound of copper (II) sulfate pentahydrate (CuSO4 5H20)? 2) How would you test a colorless rystalline compound to determine if it was a hydrate? 3 1.2008 g of a hydrate of CuSO4" XH O after heated has a mass of 0.7676 g. Calculate the mass percent...
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....
7. Upon gravimetric analysis of a hydrate, the sample was found to contain 2.573 g of FeCl3 and 1.715 g of H20. a. Based on this data, what is the empirical formula for the hydrate? b. What is the mass percent of water in the hydrate?
H20 MASS of H20 2.09 8. A sample of 8.85 g of Na2CO3 hydrate is heated, losing 1.28 g of water. Find the empirical formula 8. A sample of 8.85 g of Na2CO3 hydrate is heated, losing 1.28 g of water. Find the empirical formula.
1,2&4
If a hydrate of the formula MCI_y middot xH_2O decomposes when heated to produce HCI. what change would you expect to occur when a piece of blue litmus paper is held in the path of the vapor that is released? Explain. After 0.6323 g of CoCI_2 middot 6H_2O is heated, the residue has a mass of 0.3423 g. Calculate the percent H_2O in the hydrate. What is the formula of the hydrate? What safety precautions are necessary in this...
the elements?each 0ther n tren oH of an aquea b. hydrate- s an ionic compourd for mula unit of the comaund which orystallizes kution wth one or Move water Molecules atrocted to each anydrate Molecole a hydrate that has lost s water 2. The molecular formula for dinitrogen tetraoxide is N,O Is this the empirical formula for this com- pound? If this isn't the empirical formula, what would it be? 4 Prelab Questions: The Mole In Chemical Formulas
Post Lab-Determination of a Chemical formula Is the formula of the hydrate depend upon the amount of hydrate initially stated with? Explain. What Law supports your conclusions?
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...
Data Table 1. CuSO4 Data Mass of empty cup (grams) Mass of CuSO, hydrate (erams)S Cuso, hydrate after 1st heating (grams) CuSO, hydrate after 2nd heating (grams) Mass of released H20 (grams) Number of moles of released H201 Mass of anhydrous Cuso (grams) Number of moles of anhydrous CuSO 02a mo Questions: A) Calculate the ratio of moles of H2O to moles of anhydrous Cuso4. Note: Report the ratio to the closest whole number. B) Write the empirical formula for...