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4. NaOH react completely with Al(NO3)3.
c. What mass of aluminum hydroxide is produce from 25 ml 1.0 M Al(NO3)3.
Lead(II) sulfate formed in the reaction of 145 mL of 0.123 M lead(II) nitrate and excess sodium sulfate.
c. Calculate the mass of lead(II) sulfate formed in the reaction
2. What is the concentration of an HNO3 solution if 25.0 ml reacts with 38.5 ml of 0.145 M K2PO4?
Give the observation of each container.
Container 1-25 ml of liquid soap in 100 ml distilled water
Container 2-25 ml of liquid soap in 100 ml tap water
The calcium chloride produced in the solvay process can be used in the production of road salt.however it is sometimes discharged as waste into the sea by coastal industrial plants .describe a simple test and its results that can be carried out on a sample of seawater to monitor if calcium chloride has been discharged into the sea.
Which of the following is the cheapest source of electricity?
a. Natural gas power plant
b. Geothermal power plant
c. Hydrothermal power plant
d. Coal power plant
calculate the molarity of a solution with a final volume of 500ml prepared by dissolving 25.0ml of methonal (CH3OH density =0.791ml) in choloroform
calculate tge standard free-energy change for the process CO2(g) + 2NH3(g) → CO (NH2)2(s) + H₂O(g) at 25°C.
An organic compound 0.246g by mass was burnt in oxygen and produced 0.198g carbon dioxide and 0.1014g water what is the empirical formula of this compound
.How much phosphatidylethanolamine (in mg) would you have to weigh out to prepare 20 ml of a chloroform-methanol solution containing 6 µg phosphatidylethanolamine per µl?
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