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Concentrated sodium hydroxide is used as a laboratory reagent. the percent by mass of sodium hydroxide is 69.0%. what is the mass of water that contains 120.0g of sodium hydroxide?
Is the market for Quotes should support your discussion instead of answering question an oligopoly market or a monopolistic ally competitive market
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant temperature
The rate law for the reaction, 2NO(g) + O2(g) 2NO2(g), is found to be: rate of reaction = k [?NO]2?[O2?]2. The first, fast step is 2NO(g) N2O2 (g)
Why could you have predicted that the pH would rise after addition of sodium acetate to pure 0.40 M acetic acid from part (a) by applying Le Chatelier's principle
a student begins with 5.00 mL of acetic anhydride and 2.08 g of salicylic acid. Once the reaction is complete, the student collects 2.01 g of aspirin
identify a chemical reagent used in this experiment that can be used to distinguish cacl2 (soluble) from CaCo3 (insoluble)
Consider the exothermic reaction A(g) + B(g) C(g) + D(g). Would you expect the addition of heat to lead to the formation or consumption of A(g)? Why?
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..
The eamount of cadmium in a sample was determined using absorption spectroscopy as an analytical tecnique. Signals from a set of standards were measured and the resulting calibration curve was fit by a straight line with equation
Calculate the ionic strength of 100mM solution of Mg3(PO4)2 in acetic buffer
Write the net ionic equations that account for the pH values of: 0.1M NH4Cl (pH 6.25), 0.1M NaC2H3O2 (pH 8.24)
2-ethylcycloheptanol- draw the skeletal structure of the carbocation intermediate that leads to the major Organic product when this is reacted with H+ and heat.
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