How many moles of Cs are there in 105 grams of Cs ? moles ง

Q: If 454 g of NH4NO3 decomposes, how much N₂O and H₂O (in grams) are formed? mass of mass of

A: Late of conservation states that sum of masses of reactant is equal to total mass of products.…

Q: How many grams of C are present in 4.19 grams of carbon tetrafluoride?   How many grams of carbon…

A: Given   (i)   Mass of CF4  = 4.19 gram       Mass of carbon = ? (ii)  Mass of F = 4.61 gram…

Q: A helium balloon contains 0.46 g of helium. How manymoles of helium does it contain?

A: Mass of helium =  0.46 g Moles of helium = ?

Q: Calculate the number of C atoms in 0.206 mole of C?

A:

Q: How many moles of Kr are contained in 398mg of Kr?

A: Given Mass of the  kr=398mg    convert  into g =398mg1000=398×10-3 mgatomic mass of the…

Q: How many grams of phosphorus triiodide contain 1.74 grams of I ?

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: how many Sn atoms are in a 48.7 g sample of Sn?

A:

Q: How many atoms of oxygen are present in 12.5g of nitrogen dioxide?

A: Given: Mass of nitrogen dioxide (NO2) is 12.5 g. To find: Number of oxygen atoms.

Q: How many atoms of Pb are present in 254 grams Pb?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: How many moles of Nal are in 58.5 grams of Nal

A:

Q: Determine the mass, in grams, of 0.465 moles of S (1 mol of S has a mass of 32.07 g).

A: Given that, Moles of S= 0.465 moles MM of S= 32.07 g mol-1 then,

Q: Bulk platinum cost about $1158 dollars per ounce. (28.35 g = 1 ounce) how many moles of platinum…

A: Given : 28.35 g = 1 ounce Cost of 1 ounce = $1158 Calculate : moles of platinum  purchase with…

Q: How many moles of barium are contained in 112.6 g of barium?

A:

Q: How many moles of CF4 are there in 171g of CF4

A: No. Of moles = given mass / molar mass  Given mass is 171g  Molar mass is calculated in 2 step.

Q: What is mass in grams of 0.308 moles of Pt

A: mass in grams of 0.308 moles of Pt

Q: How many grams of carbon dioxide will you get if you burn 400 lb of a hydrocarbon that contains…

A: Answer

Q: How many molecules of H2O are contained in 360 g of H2O? How many atoms of H?

A:

Q: 295 mportant para question Which sample contains the greatest number of atoms. A sample of Ge that…

A: Avogadro's Number NA  => Avogadro's number, NA, represents the number of atoms or molecules that…

Q: Is the subscript of an element the same as its number of moles? Does the subscript mean how much…

A:

Q: 1. How many molecules of oxygen are in 50.0 g of oxygen?

A:

Q: How many atoms are present in 2 moles of Fe ?

A:

Q: What would be the number of moles for calcium arbonate if it is  66.0 g T, also the mass.

A: Molar mass of calcium carbonate that is Caco3 is 100g/mol

Q: What quantity in moles of NaI are in 51.3 grams of NaI ?

A:

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

A: Since you have posted a question with multiple sub- parts, we will solve first three sub- parts for…

Q: How many grams of Br are in 305 g CaBr₂ ?

A: No. of moles = mass/molar mass  Mass = moles × molar mass  Given: Mass of CaBr2 = 305 g

Q: 81.77 moles of methane to molecules

A: Given: Moles of methane = 81.77 mol.

Q: How many grams of S are in 775g of SO2?

A: The mass of SO2 is = 775 g The mass of S in this amount of SO2 is =?

Q: How many grams of carbon monoxide (CO) are there in a sample containing 0.10 moles of CO?

A: Given -> Moles of CO = 0.10 mole

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: Calculate the mass in grams of 14 atoms of Ca.

A:

Q: How many grams of S are in 515 g of SO2?

A: The atomic mass which is denoted in grams indicates the gram atomic mass. The relationship between…

Q: A sample of a compound containing only magnesium and oxygen is found to have 194g Mg and 256g of O.…

A: Atomic percentage calculationThe atom percentage of a compound is calculate taking the %ratio of…

Q: A sample of a compound containing only magnesium and oxygen is found to have 194g Mg and 256 g of O…

A: The percentage of Magnesium and oxygen are calculated as,

Q: atoms

A:

Q: How many NH3 molecules comprise one mole of NH3? What is the mass in grams of one mole of NH3? What…

A: In one moles of NH3 is equal to Avagadro number of Molecules of NH3  That means,  1mol of NH3 =…

Q: mass of 1.2 × 10^23 atoms of phosphorus (molar mass= 31 gm/mo

A: The one mole of a substance contains 6.022×1023 number of its atoms.here moles of…

Q: 1. How many moles of Au are in 212 g of Au?

A: 1 mole = atomic mass grams. Here atomic mass of Au = 199.96. 199.96 grams of Au = 1 mole 212 grams…

Q: How many atoms are in 1.50 moles of Hg?

A: The objective of this question is to find out the number of atoms in a given amount of substance, in…

Q: How many moles of Strontium are in 58.6 g of Strontium?

A:

Q: How many grams are in 0.00156 molecules of water?

A:

Q: Determine the mass, in grams, of 0.130 moles of I (1 mol of I has a mass of 126.90 g).

A: A mole is thus the mass of a compound in grams that equals the masses of the elements that is…

Q: how many atoms of Na are in 48g of Na?

A: Molar mass of a compound ican be defined as the mass of compound divided by the amount of that…

Q: 5. A bottle of potassium chloride, KCI, contains 466.38 g of the compound. How many moles of KCI…

A: