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An aqueous solution of calcium hydroxide is standardized by titration with a 0.129 M solution ofhydrochloric acid.
If 27.9 mL of base are required to neutralize 17.7 mL of the acid, what is the molarity of the calcium hydroxide solution?
Titanium () chloride, a substance used in catalysts for preparing polyethylene, is made by high-temperature reaction of vapor with :2TiCkl4+H2 yielding 2TiCl3+2HCl. How many grams of are needed for complete reaction with 150 of at 450 and 785 pres..
The melting point of a pure compound is 152-153 C. Describe the melting behavior for this compound if it is contaminated with 5% of an impurity.
An aqueous solution of KI has a freezing point of -1.70 C and an osmotic pressure of 26.5 atm at 25.0 C. What is the density ?
If 8.6 L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)? 2H2(g) + O2(g) -> 2H2O(g)
a)A 10.0 g sample of a mixture of methane (CH4) and ethane (C2H4) reacts with oxygen at 25C and 1 atm to produce carbon dioxide and water (liquid). If the reaction produces 520 kJ of heat, what is the mass percentage of methane in the mixture?
What is the net ionic equation for AgNO3 + HCl(aq). Can you please show how to perform the problem and where you find the solution.
A 290 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution
1.27 g sample of a gaseous oxide of nitrogen inhabit a volume of 1.07 L at 25°C and 737 mmHg. Explain what is the most likely formula for the gas
Calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60 torr at 40 degrees celcius.
Problem- Place the following gases in order of decreasing average molecular speed at 34?C: Ne, HBr, SO2, NF3, CO.
under constant-volume conditions the heat of combustion of benzoic acid c6h5cooh is 26.38 kjg. a 1.640-g sample of
A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance.
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