How many moles are in 28.4 grams of water?

Q: What mass (in grams) of vitamin C (C6H8O6) that contains 1.076 grams of carbons? Use mass percent

A:

Q: How many molecules are in 40g of helium?

A: The given weight of He is 40 g.   The formula to calculate the number of moles is,

Q: How many moles of KBr are in 61.3 grams of KBr?

A: We are given with 61.3 grams of KBr and we have to calculate the moles of KBr present.

Q: How many moles are in 78.9g of HCl?

A:

Q: How many number of particles are in 5.0 g of table sugar?

A: Given, The number of particles are in 5.0 g of table sugar is:

Q: How many grams are in 5.00 moles of lead

A: The relation between mass and moles is given as:…

Q: How many liters are in 3.8 moles of Au?

A: Under standard pressure(1atm) and standard temperature(273k) one mole of ideal gas occupy 22.4L…

Q: What is the mass of the sample?

A: Formula :-  q = mc∆T  Where : q = heat enery  m = mass of sample  c = specific heat of the sample…

Q: Convert 29.5 g of ammonia to the amount in moles.

A: Convert 29.5 g of ammonia to the amount in moles.

Q: how many moles are equal to 31.54 liters of CO2 gas

A: At STP  Pressure = 1 atm Temperature = 273 K Volume = 31.54 L Moles = ?

Q: 1. The formula for ibuprofen is C13H1802. How many moles of ibuprofen are present in 250.0-mg…

A: Here, we can answer only the first question which allows us to determine the number of moles of…

Q: How many cations are in 20.0g of Sodium pnosphate?

A: The formula of sodium phosphate is Na3PO4 Given: weight of sodium phosphate = 20 g

Q: sample of water has 2.15x1024 molecules. What is the mass of the sample?

A: Molecular weight of water = 18 g/ mol 1mol of any substance contain 6.023× 1023  number of…

Q: What is the mass of 10.8 moles of water in grams

A:

Q: How many moles are present in 67.6 grams block of ice?

A: The number of moles (n), mass (m) and molecular mass of a sample of a compound (M) are related as:

Q: How many moles are in 22 grams of argon

A:

Q: . The formula for ibuprofen is C3H1O2. How many moles of ibuprofen are present in 250.0-mg tablet?

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

Q: 1.00 g of benzoic acid corresponds to how many mmols of this compound?

A: Given that, 1.00 g of benzoic acid. We have to calculate the corresponds amount of benzoic acid in…

Q: 325.2 g sample contains 42.3% NaCl. How many grams of NaCl are in the sample?

A: Mass of the solution is = 325.2 g The concentration of the solution is = 42.3 % NaCl Mass of NaCl in…

Q: Find the moles of water given 45.00 grams of water?

A: Given,    Mass of Water (H2O) = 45.00 g

Q: How many hydrogen atoms are in 1.0kg of water?

A:

Q: How many moles of C are in 25.9g of (C3H5)2S

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

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: What is the mass of strontium in grams in 118 g of strontium iodide?

A: Given in the question, Mass of SrI2 = 118 gm Molar mass of SrI2 = 341.42 g/mol No. of moles of SrI2…

Q: how many water molecules can a teaspoon hold?

A: Volume of 1 teaspoon = 4.93 mL Volume of teaspoon = volume of water = 4.93 mL = 4.93×10-3 L

Q: How many moles are in 100.0 g of gold? Show your calculations and answer with unit.

A: Given: Mass of Gold= 100 g To Calculate: Moles of Gold

Q: How many mles are present in 10g Sulfur Dioxide?

A: Number of moles=Given MassMolar Mass Given ; Given the mass of Sulfur Dioxide is 10 gram

Q: For an experiment, a student used 17.50 g sodium chloride.  How many moles of sodium chloride did…

A: Number of moles of any substance can be calculated by using the formula :               number of…

Q: How many moles are there in 425.0g of sodium chloride?

A: Given that : Mass of Sodium chloride = 425.0g Molar mass of Sodium chloride (NaCl) = atomic weight…

Q: 2. A 1.235 g sample of unknown strontium chloride hydrate was found to have 0.511 g of water…

A: Given : Mass of hydrate compound = 1.235 g And mass of water present = 0.511 g

Q: Convert 2.0 moles of water to grams

A:

Q: How many MOLECULES of water are present in 9.27 grams of this compound?

A: Given :-  Amount of water = 9.27 g  To calculate :-  Number of molecules in the given amount

Q: moles

A:

Q: How many 325 mg tablets of aspirin are required to prepare 30 tablets of 10 grains?

A: Here we need to determine the number of 325 mg tablets required to prepare 30 tablets having 10…

Q: How many grams of F are in 245 g CaF2?

A: Given: 245 g CaF2

Q: How many water molecules are in a block of ice containing 1.50 mol of water (H2O)?

A: Given : Moles of water i.e H2O = 1.50 mol

Q: how many grams is 47.1% of 101.96g?  What is the formula

A: percentage mass = ( mass / total mass ) x 100

Q: How many moles are in 24.4 g of C6H10S?

A: It is required to calculate the number of moles in 24.4 g of C6H10S, which can be done by using the…

Q: HOw many moles of propylene( C3H6) are in 25.0g of the substance?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many grams are in 4.6 moles of MgS?

A:

Q: How many moles of KBr are in 52.3 grams of KBr?

A:

Q: How many moles are in 255 grams of sodium phosphate

A: Number of moles is calculated as, Number of moles = Mass in gramMolar mass

Q: How many grams of Cl are in 515 g CaCl,?

A: Given information:Mass of calcium chloride (CaCl2) = 515 g

Q: How many moles are in 37.95g of copper (I) chloride?

A: For Copper(I)chloride (CuCl), Mass, m = 37.95 g Moles, n = ? Molar Mass, M = 98.99 g mol-1

Q: How many molecules of water make up 5.7 moles?

A: A mole is the amount of a substance that contains 6.02*10^23 representative particle of that…

Q: How many grams of Mg are in 523 g of

A: Magnesium oxide formula is MgO and it's molecular mass = 24 + 16 = 40 g  We have to calculate mass…

Q: What is the percent of NaOH by mass for 120 g of NaOH in 1000 g of water?

A: 120 g of NaOH in 1000 g of water.Mass of the solution is mass of the solute plus mass of the…

Q: how many moles are in 32.963 grams CuO?

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: What is the number of moles in 2L of water?

A: Given  Volume of H2O = 2L = 2000 mL We know that , Density of water = 1g/mL We also know that,…

Q: How many water molecules are in 23.7g of water?

A: Number of moles of a substance is equal to the mass of the substance divided by its molar mass.…