15. A 22.4-L sample of which of the following substances, at STP, would contain 6.02 x 10^23 representative particles? *
a. gold
b. sodium chloride
c. sulfur
d. carbon dioxide
16. What information is needed to calculate the percent composition of a compound? *
a. the formula of the compound and the atomic mass of its elements
b. the formula of the compound and its volume
c. the weight of the sample to be analyzed and its molar volume
d. the weight of the sample to be analyzed and its state of matter
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “15. A 22.4-L sample of which of the following substances, at STP, would contain 6.02 x 10^23 representative particles? * a. gold b. sodium ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Which statement regarding the second law of thermodynamics is true? A. Heat can transfer from a cold to a hot body without converting a certain amount of work to heat energy. B.
Answers (1)
A 50.0 g sample of an unknown metal at 100.0∘C is placed in 500. g of water at 25.00∘C. The final temperature of the system is 27.40∘C. What is the specific heat of the metal in joules per gram degree Celsius?
Answers (1)
Why are chemical reactions often carried out using solutions? The heterogenous nature of solutions prevents the reactants from freely mixing. The amount of each reactant can be controlled by adjusting the volume of each solution that is used.
Answers (1)
Describe step by step how we can make a field of a variable quantity?
Answers (1)
If 4.04 g of N combine with 11.46 g O to produce a compound with a formula mass of 108.0 amu, what isn't the molecular formula of this compound?
Answers (1)
New Questions in Chemistry
Diseases that are inherited are caused by
Answers (2)
Why do many metal ions produce acidic solutions when dissolved in water?
Answers (1)
Which property of potential energy distinguishes it from kinetic energy? a. mass b. position c. force d. work and power
Answers (1)
A sample of pure copper has a mass of 5 grams calculate its volume
Answers (1)
Which statement best explains why carbon is present in so many kinds of molecules? Question 1 options: It is abundant on earth, so it is readily available to bond with other elements. It does not form strong bonds, so it breaks apart.
Answers (1)