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Glycine, an amino acid, has the formula C2H5NO2. How many glycine molecules are in 50.0 mg of glycine? a. 7.50 x 101 b. 4.01 x 1023 c. 4.01 x 1020 d. 9.02 x 1023 e. 9.02 x 1020
If fuel mixtures are required to contain 3.0 oxygen by mass, how many grams MTBE must be present in each 110 gasoline.
What is the structure of the alkane? The reaction of lithium di-sec-butylcuprate with isopenyl bromide yields?
The density of osmium is 22.57g/cm^3 what volume will be occupied by 4.06 kg of osmium
A 325 mL sample of solution contains 25.3 grams of CaCl2. Calculate the molar concentration of Cl- in this solution.
at 700° C is 0.76 atm. Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.2 atm at 700° C.
There is 12.0 g CCl3F in a 1.1 L container at 856 torr and 300 K. What is the mass of the liquid left over?
During a photochemical smog episode in a coastal city, the steady-state concentration of oxygen radicals at ground level was measured to be 0.09 ppmv at 25 degrees celsius.
Important information about Synthesis of Aromatic Compounds - Toluene to methyl benzyl ether and phenol to phenacetin
When determining the number of milliliters of mercuring with the density of 13.6 g/mL and having a mass of 501 g, do you divide 13.6 by 501?
What molar ratio of sodium acetate to acetic acid should be used to prepare a buffer with pH = 4.5? Ka acetic acid = 1.8 x 10-5.
How much heat is required to warm 229 g of ice from -44.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
if 6.73 g of NaCo3 is dissolved in enough water to make 250. mL of solution what is the molarity of the sodium carbonate ?
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