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What volume of a 3.00 M solution of phosphoric acid is needed to react completely with 75.0 mL of a 2.58 M solution of calcium hydroxide?2H3PO4+3Ca(OH)2 ----> Ca3(PO4)2+6H2O
A.) 119 mLB.) 26.3 mLC.) 37.5 mLD.) 43.0 mL
There are significant differences between Bacteria and Eukaryotes in the manner in which genetic information becomes functional gene product
times that of nitrogen gas ( at the same temperature). calculate the molar mass of the unknown gas in g/mol?
An "A" group metal (M) reacts with chlorine and oxygen to form ionic compounds with the formulas MCl4 and MO2. Propose a possible identity for the metal M. Explain your reasoning.
A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
A 335 mL can of soda pop is found to contain 41 g of sucrose. What is the molarity of the solution with respect to sucrose?
The following reaction is exothermic (H= -226 kJ) and has a rate law: Rate = k(NO2)^2: NO2 + CO ? NO (g) + CO2 (g) for each of the following disturbances, indicate whether the rate of the reaction will be FASTER or SLOWER and indicate whether ther..
Determine the final concentration if a 144-mL portion of that solution is diluted using water of 143 mL ?
A 0.100 M solution of a weak acid, HX, has a pH of 2.110. What is the value of Ka for HX?
A 5.0 mL sample of vinegar was titrated with 7.2 mL of 0.55 M NaOH(aq). If the density of the vinegar solution is 1.00 g/mL, what is the mass percent of acetic acid present?
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
write the overall equation for the reaction b. Give a detailed reaction mechanism for the reaction showing all steps and intermediates
Generate the conversion equations to calculate the degrees in Celsius, Fahrenheit and Kelvin. Hint: Freezing point of water is found at 5.5 'N
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