Find solution-s concentration expressed as percent by mass
When 9.6 grams of NaBr are dissolved in enough water to create a 165-gram solution, what is the solution's concentration, expressed as a percent by mass?
Expected delivery within 24 Hours
The active ingredient in toothpaste is sodium fluoride, an anticavity agent. a 170 g tube of toothpaste lists the concentration of sodium fluoride a s0.24%. how many grams of sodium fluoride are in a toothpaste.
How much heat (in Joules) is gained by the water where a chemical reaction takes place in 100 mL aqueous solution and has a temperature increase of 14C?
A calorimeter containing 200.0 mL of water was calibrated by carrying out a reaction which released 15.6 kJ of heat. If the temperature rose 3.25 degrees celcius then the heat capacity of the calorimeter inclusing the water is?
What is the half reaction showing the reduction of dichromate ion? and what is the half reaction showing the oxidation of iron (II) ion?
Calculate the theoretical yield of when 110g of C2H6 reacts with 207g Cl2 of , assuming that and react only to form C2H5Cl and HCl . Calculate the percent yield of if the reaction produces 169g of C2H5Cl .
How much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?
In the reaction where the potassium chlorate is decomposed into potassium chloride and oxygen. How much oxygen can be made from 45.8g of the potassium chlorate?
The naturally occurring compound urea, CO(NH2)2, was first synthesized by Friedrich Wohler in Germany in 1828 by heating ammonium cyanate. This synthesis was a significant event because it was the first time that an organic compound had been produ
1933807
Questions Asked
3,689
Active Tutors
1432141
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
One of the five elements of emotional intelligence is self-awareness. Explain what it means to be self-aware and describe
In layman terms, what is Gardner's Multiple Intelligences theory and what is a positive and potential negative of its implementation?
The cognitive groupings or clusters of outcomes that are viewed as having critical psychological or physiological consequences are known as:
When was the majority of transgender people first assaulted according to the data on sexual assault of transgender individuals?
Reflect on how, when conducting and learning about the psychiatric history interview, you found it equally important to do a thorough medical history
Briefly examine the biopsychosocial foundations and the micro-, meso-, and macro-level determinants of your selected mental health disorder.
Problem: What is a likely reason for the CDC choosing the slogan, "Learn the Signs. Act Early" for their ADS awareness campaign?