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Find out the morality of a solution of 10 moles of sodium sulfate in 5L of solution
The solubility of slaked lime Ca(OH)2 in water is 0.185 g/100mL. Compute the number of moles of Ca(OH)2 in 14.5mL of a saturated solution.
what would you expect to see if you performed a benedits and fehlings tests on manosse and galactose?
Determine whether each anion or cation is acidic or basic or neutral: a. Br- b. ClO- c. C7H5O2- d. Sr2+ e. Mn 3+ f. C5H5NH+
Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Suppose 246 g of Na metal is formed.
Forms hydronium ion H3O+ Forms hydroxide ion OH- Loses electrons (Oil) Gains electrons (Rig) Where oxidation takes place Where reduction takes place
Explain which of the following substance has the lowest melting point: Al2O3, C, MgF2, NaCl, KBr.
A 135 mL sample of a 15.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.50 L.What is the freezing point of the final solution.
The Clean Air Act mandates that certain metropolitan areas must add oxygenates to the gasoline that is sold in that area. What is the reason that oxygenates are added to gasoline?
A 144-mL portion of that solution is diluted by adding 169 mL of water. What is the final concentration? Assume the volumes are additive.
The electron is at a distance of about 6.3 x 10-11 m from the nucleus. Assuming the hydrogen atom is a sphere with a radius of 6.3 x 10-11 m, find (a) the volume of the atom, (b) the volume of the nucleus, and (c) the percentage of the volume of t..
What is the age of a rock whose 40Ar /40Kratio is 1.25? The half-life of 40 K is 1.28 times 10^9years Formulas ln(N)t/(N)o =-k+ + 1/2 =0.693 /k
What mass of aluminum hydroxide can be made from 50 mL of 0.25M Al(NO3)3 and 100 ml of 0.1 M KOH
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