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What concentration of glucose will be isotonic with 1.2% CaCl2 solution? Assume a van't Hoff factor of 2.8 for the CaCl2 solution. The molar masses of glucose and CaCl2 are 180.2 g/mol and 111.0 g/mol, respectively.
- 5.5%
- .44%
- 3.3%
- 2.0%
burning 0.115g of the compound in oxygen gives 0.379g of CO2 and 0.1035g of H2O. what is the empitical formula of mesitylene.
What is the ionization state of aniline (protonated, deprotonated, or a mix) at pH 1, 4.6, and 14?
Using the Moles of HCL and the mole ratio of the balance equation calculate the moles of NaHCO3 that reacted with the HCL
Assume that methane is an ideal gas, the specific heat capacity of water to be constant and equal to 4.184 J/g/K over this temperature range, and the density of water to be 1.0 g/cm3. The combustion of methane is given byCH4 + 2 O2 ? CO2 + 2 H2O ?..
Suppose that for the precipitation of the stock solution of borzac, the solid borax reagent is contaminated with a water-souble substance that does not eact with HCl.
A reaction occurs at a rate of 2.25 *10-2 moles per liter per second at 332 K. Estimate the increase in the rate of a reaction when the temperature increases to 332 K. Express the rate in moles per liter per second.
the average european woman consumes food with energy content of 7525kj. what is the daily intake in kilocalories or food calories
What mass of C2H5OH should be added to 535 kg of the paraffin in formulating the mixture if the vapor pressure of ethanol at 35°C over the mixture is to be 8 torr? The vapor pressure of pure ethanol at 35°C is 100 torr.
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
Calculate the volume of 3 M NH3 that you need to use to react stoichiometrically with the quantity of acetylacetone given the list of reagents
The Cl^- concentration in the water analysis given has been questioned. What concentration of Cl^- (mg/L) would make the cations and anions balance?
Write a balance chemical reaction showing that Ru2+ disproportionates in aqueous acid. calculate standard potential and the Gibbs Free Energy for the reaction.
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