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Explain what is the molar mass of slime if 12.6 grams of slime lowers the freezing point of 150 grams of water by 3.0 C? kf=1.86 m/C
2Al(s)+3H2SO4(aq) -> Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.5g. What minimum mass of H2SO4(in g) would you need?
Suppose you wanted to find out how many milliliters of 1.0 M AgNO3 are needed to provide 169.9 g of pure AgNO3.
The vapor above a mixture of pentane and hexane at room temperature contains 35.5 pentane by mass. What is the mass percent composition of the solution
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water.
H2 reacts according to the following equation representing the synthesis pf ammonia gas: N2(g) + 3H2(g)--> 2NH3 If 1 Liter of H2 is consumed, what volume of ammonia will be produced at constant temperature and pressure
The mass of a cube of iron is 439 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
in tropospheric chemistry the decomposition of n2o5 is an important process. the half life for the first order
two samples an aqueous solution show no precipitate when agno3 or bacl2 is added. what anions are shown to be
question the solubility of nitrogen in water exposed to the atmosphere where the partial pressure of nitrogen is 593 mm
Consider the titration of 100.0 mL of 0.100 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va = 0, 1,5,9, 9.9, 10. 10.1. and 12 mL.
determine what volume of 3.00m hcl in liters is required to react completely with 0.500l of 0.200m na2co3?a gas sample
How would you prepare 25.0mL of 2.0M sodium phosphate from solid sodium phosphate. Na3PO4
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