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suppose the hydrate was heated too quickly and some of it was lost as it spattered out of the container . explain how this would effect .a. the calculated mass of water in the compound b. the molecular formula you determined.
What is the osmotic pressure of a solution that contains 4.26 ×10-3 moles of lactose in 111 mL of solution at 29C?
Write a balanced net ionic equation and describe one of the ways for which Cd2+ will interfere with the determination of copper.
How many milliliters of 0.200 M NaOH will be required to titrate 19.6 mL of 0.479 M H2SO4
determine the expression for the rate of the reation in terms of the change in concetration of each of the reatants and products.
A 1.80 M solution of 56 ml is diluted to a volume of 218 milliliters a portion of that solution of 109 milliliters is diluted using 149 milliliters of H2O. determine the final concentration of this solution
At 700.°C, the total pressure of the system is found to be 3.63 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
How many joules of heat are required to heat 167 g of aluminum from 34.0 oC to 66.5oC?
10mL of 0.1M HNO2 (nitrous acid, ka=4.0x10^-4)is titrated with a .01M KOH solution. After 10mL of the KOH solution is added, what will be the pH in the titration flask?
how does direct current break apart water molecule? Does the DC current fill the outer shell full of electrons making a weaker attraction so hydrogen seperates from oxygen?
How many grams of magnesium chloride are needed to react completely with 66.0 mL of 0.189 M NaOH solution
For the following reaction, Kc = 0.513 at 500 K . N2O4(g) 2NO2 (g)
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