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You have 50 ml of an 86% (w/v) glucose (C6H12O6) solution. How many grams of glucose are in the solution?
when 0.500 l of a 2.00 m solution of Pb(NO3)2 is mixed with an excess of 1.00m solution of Ki, how many grams lead (II) iodide are formed? ( molar mass: Pb(NO3)2= 331 g;KI 166g; PbI2 =467 g; KNO = 101 g
If 18.26 grams of sulfuric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
A patient needs 0.004g of a sulfa drug. There are 5.00mg tablets in stock. How many tablets should be given.
What role does ammonium bromide play in the conversion of the trans-substituted aziridine to the diazabicyclo
Two scientists are experimenting with pure samples of isotope X, a highly radioactive substance. The first scientist has a sample with a mass of 20 grams.
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
An automobile gasoline tank holds 35 kg of gasoline. When the gasoline burns, 88 kg of oxygen is consumed, and carbon dioxide and water are produced.
Formic acid (Ka= 1.7 x 10^-4) and sodium formate were used to prepare a buffer solution of pH 4.31. The concentration of the undissociated formic acid in this buffer solution was 0.80 mol/L
Fluoride, in the form of sodium silicofluoride (Na2SiF6), is commonly added to municipal drinking water to prevent tooth decay. It is generally added at a level of 1.0 mg/L,
How much heat (in ) is required to warm 12.0 g of ice, initially at -11.0 degrees C, to steam at 111.0 degrees C? The heat capacity of ice is 2.09 and that of steam is 2.01 J/gC.
Write the formula of all the different carbon dioxide molecules that can be formed from these samples. Which molecule has the largest mass?
After 200 seconds has passed, what is the concentration of sulfates in the drinking water sample.
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