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Inorganic Chemistry
A compound consist of 65.45% C, 5.492% H, and 29.06%O on a mass basis and has a molar mass of 110 g/mol. Determine the molecular formula of the compound
Inorganic Chemistry
An ore sample contains 11% impurity in additon to a mix of CuS and Cu2S. Heating 100g of the mix produces 75.4g of copper metal with a purity of 89.5%. What is weight 5 of CuS and Cu2S in the ore?
Inorganic Chemistry
how can we identify no2 and br2 seperately
Inorganic Chemistry
How can two solutions have different ORP values and yet the same pH value, i.e. isn't pH the measure of the OH-'s, i.e. hydroxyls, in a solution, and isn't this the measure of the extra/free electrons available [for redox], i.e. the ORP?
Inorganic Chemistry
barium chloride have planner structure but anhydrous aluminium chloride have tetrahedral structure why?
Inorganic Chemistry
25.0 g of an unknown metal at 90.0C is added to 50.0 g of water at 25.0 oC causing the temperature of the water rises to 29.8oC. What is the specific heat capacity and the identity of the metal?
Inorganic Chemistry
studies and researches about anti-fungal property of guyabano
Inorganic Chemistry
An analysis of sodium dichromate gives the following mass percentages: 17.5% Na, 39.7% Cr, and 42.8% O. What is the empirical formula of the compound?
Inorganic Chemistry
A sample of compound weighing 83.5 g contains 33.4 g of sulfur. The rest is of oxygen. What is the empirical formula?
Inorganic Chemistry
Caculate the pH & pOH of a soulition containing:
0.03 moles of HCl
1.2 moles of NaOH
5.3 x 10-4 moles of HNO3
3.3 x 10-3 moles of KOH
8 x 10-2 grams of HCl
0.03 moles of HCl
1.2 moles of NaOH
5.3 x 10-4 moles of HNO3
3.3 x 10-3 moles of KOH
8 x 10-2 grams of HCl
