Consider the following reaction: 2S(s) + 3O2(g) to 2SO3(g); Delta H = -790.4 kJ. a) Calculate the amount of heat transferred when 325 g of sulfur reacts. b) How many grams of SO3(g) are produced during an enthalpy change of -1250 kJ? c) Calculate the chan ...
How many moles are in 12 grams of carbon? How many grams of sodium bicarbonate in a teaspoon? A cube that measures 10.0 mm x 10.0 mm x 10.0 mm has a mass of 4.70 g what is its density in grams per milliliter? Convert 28.3 pounds to micrograms. ...
How many grams of CaCl_2 are needed to prepare 6.00L of a 0.400M CaCl_2 solution? How many grams of CaCl_2 are needed to prepare 7.25 L of .015M solution? What is the molarity of a solution prepared by dissolving 10.5 grams of benzene in 18.5 grams of car...
Molecular mass of NaCl = atomic mass of sodium + atomic mass of chlorine Thus, the molecular mass of NaCl turns out to be 58.52 grams/mol. This is how you can determine the molecular mass of any compound. Next, you need to find the ‘physical’ weight of the compound in question, whi...
How many grams of sucrose (molar mass is 342.30 g/mol) are in 826 mL of a 1.5 M solution? Give your answer as a whole number. How many grams of sucrose (molar mass is 342.30 g/mol) are in 703 mL of a 1.5 M solution? Give your ...
Since the brain was found to be somehow flexible, plastic, researchers worldwide have been trying to comprehend its fundamentals to better understand the brain itself, make predictions, disentangle the neurobiology of brain diseases, and finally propose
× 16.00.01 = 127 g/mol • n = 3 Eq = 127 / 3 = 42.3 g/eqNormality Calculations Normality is the number of equivalents per liter of solution. The formula is: Normality (N) = m /V × 1 / Eq • m = mass of solute in grams • V = total volume of solution in Liters ...
Answer to: How many grams of EDTA is needed to prepare a solution of 250mL of 0.010M (mol/L) EDTA? The molar mass of EDTA is 372.244 g/mol. By...
How many mL of sulfur hexafluoride will yield 3.456 moles of this compound? (density = 6.164 g/L) What is the mass of a 53.0 mL volume of liquid, which has a density of 2.12 g/mL? Calculate the density in grams per liter of the following gases at STP: (a) NO (b) NO2 (c) ...
Multiply the number of atoms of an element by its atomic mass. Do this for all the atoms and add the values to get the number of grams per mole. This is your conversion factor. Grams to Moles Conversion Problem Problem Determine the number ofmolesof CO2in 454 grams of CO2. Solution Fir...