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The density of a concentrated phosphoric acid solution is 1.510 g/mL solution at 20°C. It contains 144.6 g H3PO4 per 1.00E+2 mL of solution. Calculate the molar concentration of H3PO4 in this solution: Calculate the number of grams of this solution required to hold 87.5 g H3PO4:
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions
If each bottle contains 0.358 pint of mouthwash with a density of 0.880g/mL , how many kilograms of alcohol are in 200 bottles of the mouthwash.
A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature according to 3H2+N2 2NH3. At equilibrium, the mixture contained
Use the molar volume of a gas at STP to determine the volume (in {rm L}) occupied by 15.0 {rm g} of neon at STP.
Seperate this redox reaction into its component half reactions( use the symbol e- for an electron)
What is the structural Drawing for Cyclopentane?
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
convert back to molarity. And since it is a strong acid, you would just take the -log(KOH or OH-) then subtract this number from 14. From this I get 11.85, however the answer is 10.98. Can somebody tell me where I'm going wrong in detail?
Draw the structures of salicylic acid and aspirin. Circle and identify the functional groups present in each compound and sulfuric acid is a catalyst. What does that mean?
The vapor pressure of a mixture of 400 g of carbon tetrachloride and 43.3 g of an unknown compound is 137 torr at 30 °C. The vapor pressure of pure carbon tetrachloride at 30 ºC is 143 torr
There are about 1,200,000 autos .each auto emits 3.1g NO2 and 1.6g CH4 per vehicle mile. Each auto travels 30 miles round trip per day. How much NO2 and CH4 in g/day is emmited in the air daily?
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