Chemistry, 22.04.2020 18:50 Dallas6797
In one of your trials you placed 5.5 grams of salt in 10 ml of water. Use this information to answer the following questions.
a. What is the w/w%?
b. What is the w/v%
c. How many moles of NH4Cl are used? Remember, moles = mass/molar mass
d. Using the moles from 4c find the molarity.
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Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
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In one of your trials you placed 5.5 grams of salt in 10 ml of water. Use this information to answer...
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