How many atoms of vanadium are in 1.28 grams of vanadium ?

Q: What is the mass of 3.66 moles of N2 ?

A: Given : number of moles of N2 = 3.66 mol  To calculate :- mass of N2 (in g)    Number of moles =…

Q: How

A: We are given The mass of cadmium = 1.0g  To find the moles of cadmium = mass / molar mass = 1.0…

Q: How many moles of titanium are contained in 71.4 g?

A:

Q: How many grams of potassium are in 2.91 g potassium sulfide?

A: Given :- mass of K2S = 2.91 g  To calculate :- mass of K (in g)

Q: How many moles of Al are there in 41.5 grams of Al?

A: Since number of moles of atom = mass of atom / Atomic mass of atom

Q: How many grams of oxygen are in 19 grams of sodium bicarbonate,

A: Number of moles = mass/molar mass  Molar mass of NaHCO3 = 84.007 g/mol  Molar mass of O = 15.999…

Q: 3.11  mL of seawater contains about 1.31×10-14  moles of gold, how many atoms of gold are in that…

A:

Q: 2. What is the mass in grams of 6.8x10 molecules of ammonium?

A: We have to predict the mass of ammonia.

Q: How many atoms of vanadium are in 1.28 grams of vanadium ?

A: 1 mole of vanadium contains Avogadro’s number of atoms. The number of mole of 1.28 g of vanadium…

Q: how many chlorine atoms are in those 20.3 grams of carbon tetrachloride?

A:

Q: How many grams of iron are combined with 45.1 grams of oxygen to make the iron(II) oxide compound?

A: Balanced reaction taking place is as follows: Molar mass of Fe = 55.845 g/mol Molar mass of O2 = 32…

Q: How many moles of NH3 are there in 1.93 grams of NH3?

A: No. Of moles = gram weight / molar mass Molar mass of NH3 = 17

Q: 6.5 x 10²³ atoms of H is equal to how many moles H?

A: Number of units in one mole of any substance is defined by Avogadro's number and it is  equal to…

Q: How many moles are present in 74.3g of titanium?

A:

Q: What is the mass in grams of 68.3 mol Xe?

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

Q: How many moles of white phosphorus, P4, are in 98.40 g?

A: Molecules are made up of two or more than two atoms.We have been given white phosphorus, P4 and we…

Q: In 1.99 g of quartz, how many oxygen atoms are there?

A: Quartz is SiO2 and its molar mass is 60.084gmol-1  So, first calculate the moles of SiO2  moles of…

Q: How many oxygen atoms are in 4.00 g of quartz?

A: Quartz is nothing but SiO22 moles of oxygen atoms per mole of SiO2mass of quartz (SiO2) given = 4…

Q: How many oxygen atoms are contained in a 5.525 g sample of calcium phosphate?

A: First of all, we will calculate the no. of moles of calcium phosphate in 5.525 g of sample and then…

Q: How many ATOMS of sulfur are present in 3.39 grams of sulfur tetrafluoride ?

A:

Q: How many grams of chromium are in 22.1 g of K2Cr207?

A: Given,  Mass of K2Cr2O7 = 22.1 g  Gram molar mass of K2Cr2O7 = 294.185 g/mol  The formula of number…

Q: How many moles of ibuprofen contain 1.62 x 10^23 atoms of C?

A: To find the number of moles of ibuprofen that has the given number of carbon atoms.

Q: How many moles of scandium are in 3.55g scandium?

A: We can determine the moles of any substance from the given formula : Moles of Substance = mass of…

Q: A substance contains 3.024 g hydrogen, 30.97 g phosphorus, and 64.00 g oxygen. How many grams of…

A:

Q: An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of…

A: According to given data%mass of Tellurium in compound=28.53 %and% mass of Bromine in compound=71.47…

Q: If you have a sample of 24.31 g magnesium (Mg), which is equal to one mole, how many atoms of…

A: Given that Amount of magnesium (Mg) = 24.31 gram  Which is equal to 1 mole To answer this problem ,…

Q: How many atoms of copper are there in 0.0075 g of copper?

A:

Q: How many grams of C are present in 4.84 grams of carbon dioxide ?

A: We have to find grams of C are present in 4.84 grams of carbon dioxide

Q: How many grams are in 9.05 x 1023 atoms of sulfur?

A: Given,  The mass of sulfur present in 9.05 × 1023 atoms of sulfur is:

Q: 238.2g of sodium fluoride are decomposed to form sodium and fluorine. How many moles of sodium are…

A: The reaction of decomposition of NaF is as follows: Molar mass of NaF = 41.988 g/mol. Molar mass of…

Q: How many grams of Sn are there in a sample of Sn that contains 7.54×1023 atoms?

A: Given, number of atoms of Sn = 7.54 x 1023 atoms we know,  => moles of Sn = number of Sn atoms…

Q: how many atoms are present in a 1.48 micromol

A: 1 mole of any substance contains Avogadro number of entities  Avogadro's number = 6.022 x 1023…

Q: How many atoms of vanadium are in 1.28 grams of vanadium ?

A: Given: Mass of Vanadium = 1.28 g Atomic mass of Vanadium = 51 g/mol To Calculate: Atoms of Vanadium…

Q: Calculate the amount in atoms in 29.22 grams of silver.

A:

Q: How many grams of iron are combined with 62.2 grams of oxygen to make the iron (II) oxide compound?

A: