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Calculate the molarity of a solution prepared by diluting 118 mL of 0.230 M K2Cr2O7 with 749 mL of water.
How many milliliters of 0.761 M H3PO4 will contain the following? 0.14 mol H3PO4
3Ca(NO3)2(aq) + 2Na3PO4(aq) = Ca3(PO4)2(s) + 6NaNO3(aq), calculate the volume of 0.30 M Na3PO4 needed to react with 22 mL of 0.72 M Ca(NO3)2
2KMnO4 (aq) + 16 HCl (aq) = 2MnCl2 (aq) + 5Cl2 (g) + 8H2O (l) + 2KCl (aq), calculate the liters of Cl2 gas at STP produced by the reaction of 121 mL of 2.1 M HCl & calculate the liters of Cl2 gas at STP produced by the reaction of 14.4 mL of 0.693 M HCl and 11.8 mL of 0.654 M KMnO4
Fe2O3(s) + 3CO(g)-> 2Fe(s) + 3CO2(g) Based on this equation, how many moles of carbon monoxide (CO) are needed to react completely with 1.75 moles of iron (lll) oxide (FeO3)??
The density of germanium is 5.325g/cm3. If you made a 5nm quantum dot of germanium, Explain how many Ge atoms would it contain. Presume the dot is spherical.
The radius of the electron's orbit in the Bohr model is 0.212 nm. Find the de Broglie wavelength of the electron under these circumstances. (in m)
Which of the following is true of the individual resonance structures which contribute to a resonance hybrid. a) each resonance structure actually exists
A 0.115 M solution of a weak acid (HA) has a PH of 3.33. Calculate the acid ionization constant (Ka) for the acid.
20 kg of gas burns with 83kg of oxygen produces how much total mass of carbon dioxide and water?
What volume of decinormal dichromate solution will be reduced by 1 g of tin ? At. wt. of Sn = 118.7.
Problem- In the experiment of reduction of acetophenone using borohydride, we were able to confirm the formation of the product using chromic acid as a spot test.
Write the formula for a complex formed between Al3 and 2-2\'-bipyridine (C10H8N2), with a coordination number of 6.
For the process: HNO3(g) ? HNO3(l), ?H° is -39.04 kJ/mol and ?S° is -111.74 J/(mol · K). What is the normal boiling point of pure HNO3
when benzene is treated with cyclohexene in the presence of a lewis acid catalyst such as aluminum chloride
a student wants to react mgs with 100ml of 1.5 m hcl but theintent is to have all the mgs react while leaving 50 of the
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