

H20 MASS of H20 2.09 8. A sample of 8.85 g of Na2CO3 hydrate is heated,...
A 1.232 g sample of a magnesium sulfate hydrate is heated until its final mass is 0.602 g. What is the formula of the hydrate? Note: the molar mass of MgSO4 is 120.4 g/mol and the molar mass of water is 18.0 g/mol. MgSO4.5H20 a. O b. MgSO4.7H20 O c. MgSO4:3H20 d. MgSO4:H20
15.67 g sample of a hydrate of magnesium carbonate was heated, without decomposing the carbonate, to drive off the water. The mass was reduced to 7.58 g. What is the formula of the hydrate? Name the hydrate
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?
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.
- Part A After 0.61 g of CoCl2.6H2O is heated, the residue has a mass of 0.308 8. Calculate the % H20 in the hydrate. IV AERO? | % H₂O Submit Request Answer Part B What was the actual number of moles of water per formula unit CoCl2? 0 AED RO? Submit Request Answe
6. Calculate the percent of water in UGS099 JATVENISEX a. BaCl2.2H20 Silue Ba = 137.33; CI = 35.45; O = 16.00; H = 1.008 Ba = 137.33: C = 35.45; O = 16.0 Ohau esbytes diw to d o b. ZnSO4.7H2O Zn 65.37: S = 32.06: O = 16.00; H = 1.008 Voor o ud to 00 volo mon bhor bec c. MgSO4.7H20 or Mg = 24.31; S = 32.06; 0 = 16.00; H = 1.008 noin olnod ord of...
Question five A 15.67 g sample of a hydrate of magnesium carbonate ( MOONH:O) was heated without decomposite the carbonate, to drive off the water. The mass was reduced to 7.58 g (Molar mass of MgCO: - 84313 Smol) (5 mark) A. What is the formula of the hydrate? B. Determine the percentate in the hydrated sit
8. A 4.00 gram sample of a hydrate of nickel(II) bromide loses 0.793 grams of water when heated. Determine the mass percent water in the hydrate and the formula of the hydrate. 9. A 2.500 gram sample of a hydrate of calcium sulfate loses 0.523 grams of water when heated. and the fomula of the hydrate Determine the mass percent of water in the hyd rate and the formula of the hydrate.
A sample of hydrate was heated thoroughly. How many waters of hydration are there if the anhydrous salt had a dry mass of 12 grams and a molar mass of 185 g/mol? The mass of water evaporated from the hydrate was 5.0 g.
A 6.2351 g sample of an unknown hydrate of cobalt(II) bromide is heated until all the water of hydration is removed. The CoBr2 that remains has a mass of 5.0000 g. 1. How many moles of CoBr2 are in the sample? mol 2. How many grams of water were lost in the dehydration? g 3. How many moles of water were lost? (mol) 4. What is the value of "n" in the formula CoBr2 · n H2O? (1, 2, 3,...