Mixture in enough water to form solution
A mixture contains 76.5 % NaCl, 6.5 % MgCl_2, and 17.0 % Na_2SO_4 by mass. What is the molarity of rm Cl^- ions in a solution formed by dissolving 7.40 g of the mixture in enough water to form 490.0 mL of solution?
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Pure benezene has melting point of 5.5 degree celsius. change in heat for benzene is 9.87 KJ/Mol. Calculate the number of joules required to melt 43.6g benzene at 5.5 degree celsius.
What characteristic properties distinguish the transition elements from the Group IA and-IIA metals?
Assuming the composition of coal can be approximated by the formular C135H96O9NS. Calculate the mass of carbon in tonnes of coal
How many L of hydrogen are needed to drive to the Grand Canyon, 789 miles away?. The density of hydrogen is 8.99x10 to the negative 5 g/cm cube.
This only needs to be four paragrapghs. Resources need to be from an online source no books. and the website needs to be included. Simialrity score needs to be very low. Please do not message me if this cannot be done in a timely fash
Calculate for the combustion of octane by using enthalpies of formation.
Sodium nitrate was added to 2.0 L of water at 25 °C to produce a saturated solution. The solution was then heated to 80 °C. Calculate the mass of lead nitrate that had to be added to produce a saturated solution at that higher temperature. &n
What will be the total pressure when the reaction has gone to completion? What will be the total gas pressure when the partial pressure of A(g) has fallen to 8.00x10^2 mmHg?
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