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What volume of a 0.33 M Mg(NO_3)_2 solution contains 97 g of Mg(NO_3)_2?
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A solution has a concentration of 10.0 m and contains 5.0 g NH3. What is the volume (in milliliters) of this solution
Does dissolved solids such as sugar and salt modify/change the boiling point of water; do mixtures have the same boiling point as pure substances?
Titrate the base trimethylamine (TMA) with 0.126 M HCl. (CH) 3 N(aq) + H 2 O(l) (CH 3 ) 3 NH+(aq) + OH-(aq) Kb = 6.45 x 10 -5 There are 0.00615 moles of TMA in 42.5 mL H 2 O before titration begins. What percent of TMA i ...
Name five types of radiation. Describe, in table form, their mass number, charge, and identity.
Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...
If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee cup" calorimeter, calculate the temperature change of 34.6 g of the resulting solution if the specific heat of the solu ...
How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?
An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
Please attach sources.websites used if any. Thanks! Determine the mass of chlorine in the original sample (39.096g) as the difference in mass between the anhydrous sample (38.585g) and the mass of copper. From the mass o ...
An 80-proof brandy is 40.0% (v/v) ethyl alcohol. The "proof" is twice the percent concentration of alcohol in the beverage. How many milliliters of alcohol are present in 750mL of brandy?
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