Reference no: EM131214268
1.) Be sure to answer all parts. Enter your answers in scientific notation.
How many carbon atoms are contained in each of the following number of moles:
(a) 1.80 mol;
(b) 6.60 mol?
Report answer using three significant figures.
2.) How many molecules are contained in each of the following number of moles?
Report your answer using two significant figures.
a. 8.2 mol of penicillin molecules
b. 0.78 mol of NH3 molecules
3.) How many molecules are contained in each of the following number of moles?
Report your answer using correct significant figures.
a. 0.27 mol of sugar molecules
b. 52.8 mol of acetaminophen molecules
4.) L-Dopa is a drug used to treat Parkinson's disease.
(Write your molecular formula in the following format: CwHxNyOz)
a. What is the molecular formula of L-dopa?
b. What is the molecular weight of L-dopa?
c. What is the molar mass of L-dopa?
5. How many grams are contained in 6.20 mol of each compound?
Do not convert these answers to scientific notation.
a. HCl
b. Na2SO4
6.) How many grams are contained in 6.50 mol of each compound? Do not convert these answers to scientific notation.
a. C2H2
b. Al(OH)3
7.) How many moles are contained in each number of grams of table sugar
(C12H22O11,molar mass 342.3 g/mol)? Enter your answer in scientific notation.
a. 0.320 g
b. 7.50 g
8.) Which has the greater mass: 0.24 mol of aspirin or 45.0 g of aspirin (C9H8O4)?
45.0 g of aspirin
0.24 mol of aspirin
9.)What is the mass in grams of 6.70 ×1020molecules of the pain reliever ibuprofen (C13H18O2, molar mass 206.3 g/mol)? Answer shouldbe provided in scientific notation.
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Calculate karl pearsons coefficient or correlation
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What is the molecular formula of l-dopa
: What is the molecular formula of L-dopa? How many molecules are contained in each of the following number of moles? How many moles are contained in each number of grams of table sugar.
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