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What is the percent by mass concentration of a solution of 50.0 g sugar in enough water to make 350 g solution?
Mg3N2(s) + 6H2O(l) → 3Mg(OH)2(s) + 2NH3(g) How many grams of H2O are needed to produce 150 g of Mg(OH)2?
A 16.0 L gas cylinder has been filled with 5.20 moles of gas. You measure the pressure to be 4.40 atm. What is the temperature inside the tank
The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
the average soil organic carbon content = 0.01%. assume that soil organic carbon is the primary sorbent and that degredation and dispersion are negligible.
If it takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same conditions, what is the molecular mass of the gas?
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed.
A sample of diatomic gas has a density of 0.002061g/ml at 1.8 atm pressure and 25.0°C. identify the gas
Which of the following pairs of substances are miscible and which are not?
analyze the state shape the hybridization of the central atom and give the ideal bond angles and any expected
Solid hydroxylapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2 in this solution if [OH-] is somehow fixed at 4.90 × 10-6 M
Suppose a 500 mL solution contains 0.50 millimoles of Co(NO3)2, 100.0 millimoles of NH3, and 175.0 millimoles of ethylenediamine. What is the concentration of Co 2+ (aq) in the solution?
determine the emf of a fuel cell that oxidizes hydrogen according to the reaction2h2 g o2 g --gt 2h2o lunder the
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