Question

1) How many atoms of carbon are present in 1.0 g of C6H12O6? atoms C 2)...

1)

How many atoms of carbon are present in 1.0 g of C6H12O6?

atoms C

2)

Consider samples of phosphine (PH3), water (H2O), hydrogen sulfide (H2S), and hydrogen fluoride (HF), each with a mass of 105 g. Rank the compounds from least to the greatest number of hydrogen atoms contained in the samples.

(Express your answer as a chemical formula.)

< < <


3)

Determine the number of moles for each compound.

(Enter your answer to four significant figures.)

Compound Mass Moles
magnesium phosphate 115.2 g
calcium nitrate 469.1 g
potassium chromate 148.8 g
dinitrogen pentoxide 497.1 g
Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1) are present in 3.12 moles of carbon monoxide ?   atoms of carbon. 2. How many...
1) are present in 3.12 moles of carbon monoxide ?   atoms of carbon. 2. How many MOLES of oxygen are present in 8.18×1021molecules of carbon monoxide ?   moles of oxygen. 1. How many MOLECULES of phosphorus trichloride are present in 4.17 moles of this compound ?   molecules. 2. How many MOLES of phosphorus trichloride are present in 9.62×1022 molecules of this compound ?   moles. 2) 1. How many ATOMS of carbon are present in 5.72 grams ofcarbon monoxide ? atoms...
Calculate the number of moles of sulfur atoms present in each of the following samples. (a)...
Calculate the number of moles of sulfur atoms present in each of the following samples. (a) 2.16 g of sodium sulfate (b) 2.16 g of sodium sulfite (c) 2.16 g of sodium sulfide (d) 2.16 g of sodium thiosulfate, Na2S2O3 2- Calculate the percent by mass of each element in the following compounds. (c) MnO2 manganese   % oxygen %
How many total atoms are in 0.360 g of P2O5? Compound: 1 2 3 Formula: XY6...
How many total atoms are in 0.360 g of P2O5? Compound: 1 2 3 Formula: XY6 XY? XY? Mass of Y per gram of X 2.82g 1.41g 0.94g what are the formulas of compounds 2 and 3?
Question 1 .Solve all a)How many moles of nitrogen, N, are in 90.0 g of nitrous...
Question 1 .Solve all a)How many moles of nitrogen, N, are in 90.0 g of nitrous oxide, N2 c)Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.70 moles of magnesium perchlorate, Mg(ClO4)2. d)A sample of propane, C3H8, contains 12.9 moles of carbon atoms. How many total moles of atoms does the sample contain? e)Caffeine is a bitter stimulant drug and is found in varying quantities in seeds, leaves, and so on. Its formula is C8H10N4O2. Match...
1. How many moles of atoms are contained in 21.0 g of Br2 ? 2. 1.28...
1. How many moles of atoms are contained in 21.0 g of Br2 ? 2. 1.28 x 1024atoms of S. (Calculate the number of grams) 3. How many atoms are contained in (5 molecules CH3COOH) and (12.0 mol H2O) 4. calculate the number of grams of hydrogen in 8.44 mol H2SO4 5. A. What is the element of ( 65.2 g sample of a compound containing 36.8 g silver, 12.1 g chlorine, and the rest, oxygen) B. compound containing 38.0...
1.Calculate the mass% of each element in:    a.table sugar C12H22O11                b.sodium carbonate 2.How many moles,...
1.Calculate the mass% of each element in:    a.table sugar C12H22O11                b.sodium carbonate 2.How many moles, formula units, and oxygen atoms are in the following ionic compounds? a.23.0 g of sodium carbonate b.0.50 g of ammonium nitrate 3.Calculate the number of moles and molecules present in    a.22.0 g of chlorine b.13.22 g of methane (CH4) 4.Calculate the mass in grams of a.one carbon atom b.22.012 x 1011 molecules of NO2 c.222.5 mol of zinc Please help me with these...
Nomenclature lab: will choose best answr NM NM = nonmetal -3 -2 -1 NM +1 +2...
Nomenclature lab: will choose best answr NM NM = nonmetal -3 -2 -1 NM +1 +2 md = metalloid md NM NM NM NM NM +1 +2 +3 md NM NM NM NM +1 +2 +2 md md NM NM NM +1 +2 +1 md md NM NM +1 +2 md NM +1 +2 Type I Binary Ionic Compounds Type I binary ionic compounds contain a metal and a nonmetal AND the metal that is present only forms one type...
1. There are 3.01 x 10^23 atoms present in a) 0.5 mol of Na b) 0.5...
1. There are 3.01 x 10^23 atoms present in a) 0.5 mol of Na b) 0.5 mol of C c) 0.5 mol of Ar d) none of the above e) all of the above 2. Which of the following scenarios does NOT represent a quantitative analysis? a) A chemist tests a sample of water for the presence of chloride ions. b) A police officer uses a breathalyzer to measure the amount of alcohol in exhaled air. c) A lifeguard tests...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT