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When a solution containing 1.4g of Ba(NO3)2 and 2.4 g of NH2SO3H is boiled, a precipitate forms. This precipitate may be Ba(NH2SO3)2, BaSO4, or BA(NH2)2. You can find these products in the reactions whose equations you balanced in the first reaction.CALCULATE THE NUMBER OF MOLES OF EACH REACTANT
Ba(NO3)2+NH2SO3H+H2O----BaSO4+HNO3+NH4NH3
Ba(NO3)2+NH2SO3H+H2O-----BaSO4+NH4NO3+HNO3
Ba(NO3)2+2NH2SO3H+2H2O------Ba(NH2)2+2H2SO4+2HNO3
The following osmotic pressures were observed for bovine serum albumin (BSA) in 0.15 M NaCl at 273 K. Calculate the molar mass of BSA.
A substance (that you believe to be talc) contains 58.35 g magnesium, 89.88 g silicon, 153.6 g oxygen and 1.61 g hydrogen. How many grams of oxygen are present in 72.5 g of talc
The accepted value (mu) for a standard sample of chloride was 34.63 percent chloride. Triplicate analysis of this material by a new procedure yielded a mean value of 34.71 and an estimated standard deviation of 0.04
Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 86% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]
A 75.0 mL volume of 0.200 M NH_3 ( Ksp=1.8* 10^-5) is titrated with 0.500 M HNO_3. Calculate the pH after the addition of 23.0 mL of HNO_3.
Compare the stability of a tertiary carbocation, a secondary carbocation, and a primary carbocation, each with the formula C9H19+. Be sure to delete a hydrogen at the positive center and set the total charge to cation when you setup the calculatio..
Calculate the molar solubility of Ca(IO3)2 in each solution below. The Ksp of calcium iodate is 7.1x10^-7. a.) 0.065 M Ca(NO3)2 b.) 0.065 M NaIO3
the half life for the first-order decomposition of sulfuryl chloride at 320ordmc is 8.75 h.so2cl2 g rarr so2 g cl2
the acidic constituent in vinegar is acetic acid. a 10.0-ml sample of a certain vinegar contains 500. mg of acetic
Given that the partial pressure is 7.0x10^-4 atm, what is the pH of water at equilibrium with the atmosphere
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