WebAvogadro's number explains that one mole contains 6.02 x 1023 particles in any sample of a given compound or element. Therefore, when given the number of particles, scientists … Web24 okt. 2015 · You now know that the hydrate contained "4.85 g" of water "4.65 g" of anhydrous magnesium sulfate What you need to do next is work out how many moles of each you had in the hydrate. To do that, use their respective molar masses 4.85color(red)(cancel(color(black)("g"))) * ("1 mole H"_2"O")/ ...
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WebScience Chemistry A 9.00-L vessel contained 1.19×10-1 mol of gaseous PCl3, 1.40×10-1 mol of gaseous PCl5, and 1.45×10-1 mol of Cl2 gas at equilibrium at 225°C. Calculate … WebHow many grams of NaOH would be required to neutralize all the acid in 75.0 mL of 0.0900 N H 2 SO 4? (a) 0.540 g (b) 0.270 g (c) 1.32 g (d) 0.660 g (e) 0.859 g 10. What is the … earth wind fire water zodiac symbols
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WebThe amount of berry polyphenols required to exert health-promoting effects seems to be difficult to achieve by fresh fruit ingestion, so polyphenol-rich extracts could be considered a dietary alternative. In the present study, laboratory rats were fed high-fat diets supplemented with 0.1 or 0.3% raspberry polyphenols from pomace, with the former dose reflecting the … WebHow many moles Water in 1 grams? The answer is 0.055508435061792. We assume you are converting between moles Water and gram. You can view more details on each … Web30 nov. 2024 · Assume we want to dissolve 70.128 grams of salt in 1.5 kg of water. So: moles of NaCl = 70.128 g / (58.44 g/mol) = 1.2 mol. Plug the number of moles and the mass of the solvent into the molality formula. Divide 1.2 mol by 1.5 kg, and you'll find out that the molality of the NaCl solution is 0.8 molal (in standard molality units: 0.8 mol/kg). earth wind fire songs shining star