Explain is the solution saturated or unsaturated
Potassium bromide, KBr, is soluble to the extent of 64g per 100g of H2O at 20C. Is the solution saturated or unsaturated? what would happen if: (a) more KBr was added to the solution; (b) the tempurature was lowered to 0C?
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The water level in a graduated cylinder initially at 224 rises to 287 after a piece of lead is submerged. What is the mass in grams of the lead?
When separated from a water solution cuso4 forms a hydrate with 5 water molecules per formula unit. If 36 g of anhydrous cuso4 are dissolved in water, why mass of the hydrate could be recovered from the solution.
A chemist prepares a solution by dissolving 2.228 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
Two slits produce fringes on a screen that is at a distance of 2.05 m from the slits. When the wavelength is 608 nm, the fringe spacing is 1.3 cm.What is the distance between the slits?For the same slits, what fringe spacing would occur for a wav
Is the solution saturated or unsaturated? what would happen if: (a) more KBr was added to the solution; (b) the tempurature was lowered to 0C?
Calculate the mass of propylene glycol that must be added to 0.340 of water to reduce the vapor pressure by 2.86 at 40 ( at 40 ).
How many metric tons of 5%-S coal would be needed to yield the H2SO4 required to produce a 3.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
The magnetic circuit shown in figure 1.17 has a mean core length of 52 cm and a cross-sectional area of 18 cm^2. The length of the air gap is 0.14 cm. Determine the battery voltage required to obtain a flux density of 1.2 T in the air gap. Use
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