Web29 apr. 2024 · One mole of magnesium chloride weighs 95.21 grams. Therefore, the number of moles in 1.25 grams of the compound is 0.0131 moles. What is magnesium … Web2 feb. 2024 · The present invention provides formulations of nanostructured gels for increased drug loading and adhesion. A wide range of drugs, particularly highly loaded with amine-containing compounds such as local anesthetics, which are known to be difficult to encapsulate (e.g., about 5% wt/wt drug/total gel weight and about 50% wt/wt drug/total …
inorganic chemistry - How to calculate the mass of magnesium …
WebExpert Answer 100% (2 ratings) Given : [MgCl2]= 0.38 M Vol of MgCl2 = 1.31 L Solution: Use the form … View the full answer Transcribed image text: How many moles of magnesium chloride (MgCl_2, Strong Electrolyte) are in 1.31 L of 0.38 M MgCl_2? 0.498 moles 0.50 moles 1.49 moles 1.5 moles 0.29 moles Previous question Next question WebIf you have 1.51 grams of magnesium, how many moles of magnesium atoms do you have? Calculate the number of moles of Mg in 0.12 g of Mg (relative mass of Mg = 24). … corypheus stats
U3LM2B-WS Molar Mass and Conversions (Key)
WebWhen calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. How many grams of MgCl2 (molar mass95.21 g/mol) are needed to prepare 2.50 L of 0.500 M MgCl2 solution QUESTION 6 At a constant temperature, a sample of a gas in a balloon that originally had a volume of 2.1 L and … WebSee Answer Question: Question 17 (0.8 points) How many moles of MgCl2 are in 250 mL of a 2 M of MgCl2 solution? 0.5 molo 0.75 mole 75 moles 1.3 moles Question 18 (0.8 points) How many grams of PbCl2 are formed when 25.0 mL of 1.6 M KCl react completely with Pb (NO3)2? 2 KCl (aq) +Pb (NO3)2 -- 2KNO3 + PbCl2 () O 1.648 5.568 16.48 2.278 … Web28 jul. 2024 · After determining the number of moles,now multiply moles of MgCl2 by its Molar mass i.e (95.205g/mol) We know Molarity= mol of solute/L solution. ∴ 0.10 M … cory philip moran virginia