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The contents of one 80. lb bag of topsoil will cover 30. square feet of ground to a depth of 1.7 in. What number of bags are needed to cover a plot that measures 600. by 700. m to a depth of 1.5 cm?
Three sparingly soluble salts, MA, MA2, and MA3, all have Ksp = 1.5 x 10-7. Determine which of these three has the highest molar solubility in water? a) MA, b) MA2, c) MA3 ,d) They are all equally insoluble.
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
Determine the acid content of the vinegar as wt % CH3COOH, acetic acid
Suppose .30 mol of Ammonia and .40 mol of oxygen are added to a 5L container. If Y mol of water is present at equilibrium, calculate the equilibrium concentration of oxygen?
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
The atomic mass of element X is 22.99 amu. A 19.98-g sample of X combines with 16.51 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
Calculate the number of grams of sulfuric acid in 0.520 of battery acid if the solution has a density of 1.35 and is 37.4 sulfuric acid by mass.
A certain first order reaction has a rate constant of 0.0215 s-1 at 24 degrees C. What is the value of rate constant at 70 degrees C if Ea=90.0 kJ/mol.
A particular snack mix contains 1.30 g of salt per 100 g of the mix. How much mass of the mix can be consumed and still be within the FDA limit of 2.40 g of salt.
Cd2 forms two complexes with C2H3O2, with the following formation constants:(a) Find K2 for the reaction, (b) You prepare 1.00 L of solution containing 0.110 mol CH3CO2Na and 4.00 × 10-4 mol Cd(ClO4)2. Compute the fraction of cadmium in the form ..
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