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An unknown metal M was converted to the sulfate,M2(SO4)3. A solution of this metalsulfate was treated with excess barium chloride solution to give abarium sulfate precipitate.Reaction: M2(SO4)3(aq) + 3BaCl2 (aq) ---> 2 MCl3(aq) + 3BaSO4 (s)
If 1.200 grams of the metal, M results in the formation of6.026 grams of the barium sulfate product, what is the atomic weight of the unknown metal, M? What is the Metal?
1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) HO(g)
A sample of sodium reacts completely with 0.142 of chlorine, forming 234 of sodium chloride. What mass of sodium reacted?
when a 5.00 g sample of naoh dissolves in 100.0 g of water in a coffee cup calorimeter the temperature rises from 28.3
Nuclear reactions is expressed in given reaction as 2/1H +2 /1H→3/2He + ? ; 233/92U+1/0n→133/51Sb+98/41Nb+?1/0n
Determine the element of lowest atomic number that contains a complete d subshell in the ground state. element symbol
The spectrum exhibited an absorption band at 260 nm which is attrbutable to benzene, and the absorbance of this band was 0.69. In a reference source, the student found that the molar absorptivity of this benzene band in ethanol
How much heat is liberated at constant pressure if .889 g of calcium carbanate reacts with 43.9 ml of .756 M hydrochloric.
silver has two naturally occurring isotopes. find the percent abundances of 107ag and 109ag given the atomic mass of
What is the minimum uncertainty in the position of an electron, given that we know nothing about its speed except that it is less than the speed of light?
Calculate work (in kJ) when 422 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 445 K:
You need to produce a buffer solution that has a pH of 5.06. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? T..
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