Question

a.) how many moles of iron is 66.8 g of Fe? __________________ mol Fe b.) How...

a.) how many moles of iron is 66.8 g of Fe?

__________________ mol Fe

b.) How many grams of iron is 4.89 x 10-2 mol Fe?

__________________ g Fe

c.) How many atoms are present in 0.950 mol of uranium?

_________________ x10 _________________ U atoms

d.) 3.84 × 106 sulfur atoms is how many moles?

__________________ x10 _______________ moles

0 0
Add a comment Improve this question Transcribed image text
Answer #1

6.02X102 3

Add a comment
Know the answer?
Add Answer to:
a.) how many moles of iron is 66.8 g of Fe? __________________ mol Fe b.) How...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • DATE 1. How many moles of Na are there in 47.3 g of Na? 2. Calculate...

    DATE 1. How many moles of Na are there in 47.3 g of Na? 2. Calculate the number of grams of sulfur in 112.4 moles of sulfur. 3. Calculate number of atoms in 4.6 g of calcium. 4. How many H atoms are in 272.5 g of methanol, CH0? 5. For the given reaction N, (g) +3H,(g)->2NH(g) a. How many moles of NH, are formed by the complete reaction of 0.154 moles of H? b. How many grams of NH,...

  • (a) How many moles of ammonium ions are in 0.405 g of ammonium carbonate? mol (b)...

    (a) How many moles of ammonium ions are in 0.405 g of ammonium carbonate? mol (b) What is the mass, in grams, of 0.0601 mol of iron(III) phosphate? (c) What is the mass, in grams, of 2.06 x 1023 molecules of aspirin, CyH8O4? (d) What is the molar mass of a particular compound if 0.072 mol weighs 6.14 g? g/mol Submit Answer

  • How many moles of sulfur are in 26 0 g of (C3H5 )2S?

    Part A How many moles of sulfur are in 26.0 g of (C3H5 )2S? Part B How many atoms of hydrogen are in 0.70 mol of (C3H3)2 S? Part C How many grams of carbon are in 4.90*1023 molecules of (C3H3)2S? Part D How many atoms of carbon are in 170 g of (C3H3)2S? 

  • problem set 6 2. Magnetite Fe,O, is an iron containing ore. How many moles of iron...

    problem set 6 2. Magnetite Fe,O, is an iron containing ore. How many moles of iron atoms would be found in 2.5 moles of magnetite? How many atoms of iron would this be? Show all work 3. Consider the following pairs. For each pair, circle the quantity that contains the greater number of atoms or molecules Then explain your reasoning a) 1 mole Na or 1 gram Na b) 1 molecule of lz or 1 mole of la C) 58.9...

  • 2. Menerva has 1 mol of AICI. How many moles of ions are there in 1...

    2. Menerva has 1 mol of AICI. How many moles of ions are there in 1 mol of AICI:? a. I mol i mo 10 lat b. 2 mol miza c. 3 mol d. 4 mol e, 6 mol Answer: 3. Jessica has 64.0 g of sulfur dioxide (SO2). How many oxygen atoms are there in 64.0 g of SO2? a. 64 atoms b. 128 atoms c. 6.022 x 10” atoms d. 1.806 x 10 4 atoms c. 1.204 x...

  • a) Calculate the number of moles of iron in a 15.0 g sample of iron. b)...

    a) Calculate the number of moles of iron in a 15.0 g sample of iron. b) Calculate the number of atoms in 0.25 mol of silicon. c) Calculate the mass in grams needed to have 2.65 x 1022 atoms of calcium.

  • 1. How many atoms are represented by: a. 0.96 moles Ca b. 0.39 moles Ga c....

    1. How many atoms are represented by: a. 0.96 moles Ca b. 0.39 moles Ga c. 0.94 moles Ag d. 0.39 moles Mg 2. How may molecules are represented by a. 0.39 moles CH3COOH b. 0.71 moles N2 C. 0.72 moles C&H 206 d. 0.57 moles 02 3. How may grams are represented by: a. 6.11 moles C6H1206 b. 1.89 moles 02 c. 6,61 moles NaHCO3 d. 1.14 moles Na 4. How may moles are represented by: a. 26.32 grams...

  • 29. How many moles of Ca atoms are in 540.3 g Ca? a. 13.48 mol b....

    29. How many moles of Ca atoms are in 540.3 g Ca? a. 13.48 mol b. 7.418 x 10-2 mol C. 2.166 x 104 mol d. 26.96 mol e. 540.3 mol

  • 16. How many grams of steam and iron must react to produce 375 g of magnetic...

    16. How many grams of steam and iron must react to produce 375 g of magnetic iron oxide, Fe3O4? 3 Fe(s) + 4 H2O(g)  Fe3O4(s) + 4 H2(g) 18. Mercury can be isolated from its ore by the reaction 4 HgS + 4 CaO → 4 Hg + 3 CaS + CaSO4 (a) How many moles of CaS are produced from 2.5 mol CaO? (b) How many grams of Hg are produced along with 9.75 mol of CaSO4? (c) How many...

  • CHM 1045 Reactions and Stoichiometry In Class Questions 2. How many sodium atoms are in 0.120...

    CHM 1045 Reactions and Stoichiometry In Class Questions 2. How many sodium atoms are in 0.120 moi Na? 0.10 moi va y...olx.2-12 ima 2. Calculate the number of atoms in 2.95 mol Of copper. 2.45 voleux 3. A Sliver ring contains 1.1 X 10 silver atoms. How many moles of silver are in the ring? Itxite Imol- * 6.024x15 - 4. Zinc (Zn) is a siivery metal that is used in making brass (with copper) and in plating Iron to...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT