How many atoms are in 0.78 mol Si?

Q: e molar mass of the following o

A:

Q: How many atoms are in 1.6 mol of carbon?

A: Moles of C = 1.6  Avogadro constant = 6.023 × 1023 mol-1

Q: How many atoms are in a 211. g sample of potassium (molar mass = 39.1 g/mol)?

A:

Q: How many atoms are in 2.4 mol B?

A: Given : Moles of element B = 2.4

Q: How many atoms are in 7.4 mol of carbon?

A: To determine the number of atoms of C, multiply moles C by Avogadro's number.

Q: How many molecules of dinitrogen pentoxide are in 2.88 moles of dinitrogen pentoxide?

A: Given - Number of moles of dinitrogen pentoxide (N2O5) = 2.88 moles

Q: How many molecules are present in 0.65 mol of carbon dioxide?

A:

Q: What number of  atoms and what amount (moles) of  atoms are in 800.0 g of zinc?

A: Given : mass of Zinc = 800 g

Q: How many atoms are contained in 0.98 moles of iron (Fe)?

A:

Q: How many total atoms are in 0.620 g of P,O,? total atoms:

A:

Q: How many molecules and atoms are in 20 g of H,PO,?

A:

Q: How many molecules are present in 2.47 moles of Sodium Carbonate?

A: The entity (molecules/atoms/ions) present in a specific quantity (mole) is regarded as "Avogadro…

Q: How many molecules are in 502.1 g of LIF?

A: Mass of LIF = 502.1 g Molecular weight = 25.939 g/mol Molecule= ?

Q: How many molecules C,H, are in 7.62 mol?

A: given  No of moles.   7.62 mol

Q: How many moles of sodium carbonate contain 1.773 × 1017 carbon atoms?

A:

Q: How many total atoms are in 33.3 g of copper(I) carbonate?

A: Given Mass of Cu2CO3 = 33.3 g To find Total no.of atoms in the given amount of Cu2CO3

Q: what is the mass in 1.27 mol NaCl?

A: The number of moles of NaCl is = 1.27 moles The mass of these moles is =?

Q: How many molecules are in 502.1 g of NaCl?

A:

Q: how many atoms are in 355 mol Na

A: using mole concept we easily determine the presence of atoms , molecule and ions in species.

Q: What number of moles represents 3.0 × 1023 atoms of sodium?

A: Given  Number of atom of Sodium = 3.0 × 1023 atom  Number of mole = ?

Q: How many moles of strontium (Sr) atoms are in 81.7 g of Sr? mol

A: Given : Mass of Sr = 81.7 g.

Q: How many moles are there in a copper wire that has a mass 10.234 g?

A: Since you have posted multiple questions, we are entitled to answer the first only. And since you…

Q: How many molecules are in 3.78 moles of H,?

A: Given : moles of H2 = 3.78 mol.

Q: how many atoms of c are in 5.8 x 10^-3 mol of c?

A: Number of moles = Particles of sample/Avogadro's number   Avogadro's number = 6.022×1023  Number of…

Q: How many phosphorus atoms are present in 2.35 mol of potassium phosphate?

A:

Q: How many total atoms are in 0.280 g of P,O,? total atoms:

A: We have to calculate the number of atoms.

Q: How many molecules are in 35.8 moles of CH,?

A: Mole concept: According to the mole concept, the number of molecules in the one mole of a substance…

Q: determine the number of atoms in 20 g of Berilium?

A:

Q: How many moles are in 15000 atoms of iron (Fe)?

A: There are 15000 atoms of iron. One mole of iron contains the number of atoms which is equal to…

Q: How many total atoms are in 0.760 g of P, O,?

A: Mass of P2O5 = 0.760 g Molar Mass of P2O5 = 141.94 g mol-1

Q: How many atoms of phosphorus are in 9.40 mol of copper(II) phosphate?

A: chemical formula can be formed by criss-crossing the valencies of ions.

Q: How many molecules are in 32.8 moles of CH₄?

A: The chemical changes observed in any reaction involve the rearrangement of billions of atoms. It is…

Q: How many moles of carbon is in 98.6g of carbon?

A:

Q: How many atoms are in 2.00 mol of H2?

A: Given : no.  of moles of H2 = 2.00 mol  To calculate : number of atoms

Q: What mass of nitrogen is in 0.56 mol of Prevacid?

A: The formula for prevacid is C16H14F3N3O2S. The molar mass of prevacid is = 369 g/mol We find the…

Q: How many molecules are in 2.55 mol S8?

A: The moles of sulphur is 2.55 (given)Mol → Number of molecules

Q: . How many atoms are in 50.0 grams of Na?

A:

Q: How many moles of carbon are in a sample containing 5.32x10^20 atoms C?

A: Given,Number of carbon atoms = 5.32 × 1020

Q: How many atoms are present in 0.35 mol of Na?

A: Given : no. of moles of Na = 0.35 mol  To calculate :- number of atoms of Na

Q: How many carbon atoms are in 11.06 moles of decane?

A: The molecule given is - Decane # Which is an aliphatic hydrocarbon containing 10 carbon atoms per…

Q: How many atoms are in 4.2 mol of hydrogen?

A: 1 mole of any element will have the total number of atoms as 6.023 x 1023. For 4.2 moles of…

Q: How many moles are represented by 11.5 liters of C,H,OH?

A:

Q: How many moles are in [Cu2+]

A: I don't know what you exactly want to ask because the Cu+2 compoud is not given but telling you a…

Q: How many chlorine atoms are in 1.91 moles of carbon tetrachloride?

A: Given :- number of moles of CCl4 = 1.91 mol  To calculate :- number of Cl atoms

Q: How many atoms are in 0.652 mol of iron?

A: We have to calculate the number of atoms are in 0.652 mol of iron as follows in step 2:

Q: How many atoms are in 8.2 mol of carbon?

A:

Q: How many atoms of hydrogen are in (7.5x10^-2) moles of hydrogen (H)?

A: The number of moles of hydrogen (H) = 7.5×10–2 mol

Q: How many molecules are in 77.7 moles of NH₃?

A: Interpretation-  To determine the number of molecule in 77.7 mole of NH3 .   Concept-  To determine…