WebMechanical Engineering Anatomy and Physiology Chemistry Earth Science Physics Social Science. ASK AN EXPERT. Science Chemistry What volume of 0.185 M MgCl₂ must be added to 235 mL of 0.206 M KCl to produce a solution with a concentration of 0.250 M CI? (Ans. 86.2 mL) What volume of water must be added to 50.0 mL of 6.00 M HCl in order … Web4 apr. 2024 · Calculate the amount of KCl which must be added to 1 kg of water so that its freezing point is depressed by 2 K. (K f for water =1.86 K kg mol-1, Atomic mass K = 39, …
30.0 g of KCl are dissolved in 100.0 ml of water at 45 degrees
WebGet an answer for '30.0 g of KCl are dissolved in 100.0 ml of water at 45 degrees C. How many additional grams of KCl are needed to make the solution ... we have added only … 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 … easeus todo backup free 12.0 クローン 失敗
CBSE Class 12-science Answered - TopperLearning
WebInformation: Factors Affecting Rate We have already looked at how concentration (question 3) and temperature (questions 4-7) affect the rate of reactions. It is important to note that for a reaction to happen, particles must have sufficient energy when they collide AND they also must be oriented in the correct way. Just as puzzle pieces must be oriented correctly, … Web16 apr. 2024 · How many grams of solid potassium chloride is needed to prepare 250 mL to 0.235M solution. Log in Sign up. ... Add comment More. Report 1 Expert Answer Best … WebTranscribed Image Text: 7) (30) For questions a- c, you must use dimensional analysis to solve the problems related to the following balanced chemical equation: Vbalanced 2 KCl(aq) + Pb(NO3)2(aq) → PbCl2(s) + 2 KNO3(aq) 22 12 22 a) How many liters of 0.15 M KCl solution are needed to completely react with 13.43 L of 0.175 M lead nitrate … ct uks homburg