Chemistry, 22.04.2020 20:12 fathimasaynas2975
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.
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 07:40
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
Chemistry, 22.06.2019 11:00
Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Chemistry, 22.06.2019 15:00
How is the shape of the poem “peer” connected to its meaning?
Answers: 2
Chemistry, 22.06.2019 21:00
Need what is special about water as a compound? how does water regulate climate? what drives water evaporation? why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation? what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !
Answers: 1
You know the right answer?
In one of your trials you placed 5.5 grams of salt in 10 ml of water. Use this information to answer...
Questions
Computers and Technology, 20.01.2021 18:30
Mathematics, 20.01.2021 18:30
Biology, 20.01.2021 18:30
Mathematics, 20.01.2021 18:30
Mathematics, 20.01.2021 18:30
Arts, 20.01.2021 18:30
Mathematics, 20.01.2021 18:30
Mathematics, 20.01.2021 18:30
