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Problem- The density of a 19.0% by mass ethylene glycol (C2H6O2) solution in water is 1.03g/mL . Find the molarity of the solution.
Answer showing how to make each solution will get rated
However, larger colloidal particles cannot pass through the dialyzing membrane. The process of dialysis can be used to separate smaller molecules from larger colloidal particles. NaC1 Solution albumin Solution starch solution
Calculate the total volume of gas (at 124C and 758mmHg) produced by the complete decomposition of 1.45 kg of ammonium nitrate.
water expands when it freezes. How much work is done by 100g of water expanding as it freezes at 0 degrees Celsius and pushes back the wall of a pipe that exerts 1070 atm of pressure?
Consider the following observations taken on successive, cloudless autumn mornings. On the first day, a considerable amount of frost is on the grass at sunrise. On the second day, only dew appears on the grass. On which day is the temperature incr..
Propanoic acid has Ka of 1.4x10^-5. If we make a solution 0.100M propanoic acid, what concentration of sodium propanoate should be added to give a buffer with a pH of 5.0?
For each of the following molecules, predict their geometry. State whether the compound is polar and if so, why
Define what kind of redox reaction each reaction below is. Identify the oxidizing as well as reducing agents
the carbonyl stretching frequency of aliphaticltbgt carboxylic acids in dilute solution is located near 1770cm. this
Question- The mole equivalent for an acid is the number of moles of H (for a base it is the number of moles of OH-) that enter a particular reaction. For the reaction given, what is the mole equivalent for sulfurous acid
calculate the equilibrium partial pressures of CO2 and CO.
What is the maximum number of liters of Fe2O3(s) that can be made from 11.53 L of O2(g) and 16.07 L of FeS(s) at STP?
A 140.0-\,mL solution contains 2.00g of sodium benzoate and 2.53g of benzoic acid. Calculate the \rm pH of the solution.
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