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What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
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.
Using a phosphorus 12.39 g sample that reacts with 42.54 grams of chlorine to produce only phosphorus Trichloride (PCl3). If it is the only product, determine what mass of PCl3 is formed?
Determine the extent of reaction and amounts of B & Z and A reaction having time independent stoichiometry follows the equation
A water sample has a pH of 8.21 and a total calcium concentration of 143 ppm. What is the total alkalinity of the water?
Determine the new volume of a 1.3 L balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at the temperature of -11.5 degree celsius.?
If the water in your house has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form.
What are the concentrations of HSO4-, SO42-, and H+ in a 0.27 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.).
The running engine of an automobile preoduces carbon monoxide Co, a toxic gas at the rate is of about 0.117 mol CO per minute. A car is left idling in a poorly ventilated garage that is 6.0m long 4.0m wide and 2.2 m hight and 20.0 C.
Determine what would you use to prepare 10 ml of 0.2M CaCl 2 from the 20M stock solution and find out which solution is with pH > 7, but is not an Arrhenius base in the strict sense?
Calculate the final temperature of the solution has a specific heat capacity =4.18 J/°C · g. assuming no heat lost
An electron traveling at the velocity of 3.7 105 m/sec has an uncertainty in its velocity of 2.34 105 m/s. determine the uncertainty in its position?
If 17.2 mL of 0.800 M hydrochloric acid solution are required to neutralize 5.00 mL of a household NH3 solution, determine the molar concentration of the NH3,ammonia?
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