. Vitamin C has the formula c6h8o6. Calculate the number of vitamin C molecule present in 0.250g of Pure Vitamin C?

Q: Calculate the number of moles in each sample. a. 72.5 g CCI4 c. 25.2 kg C2H2 b. 12.4 g C12H22011 d.…

A: The number of moles of a substance is calculated by dividing the given mass of that substance with…

Q: The formula for sulfur dioxide is SO2. a. How many grams of sulfur are present in 1.28 moles of…

A: We are given: The formula of sulfur dioxide = SO2. The molar mass of SO2 , (M)= 64 g/mol. The molar…

Q: a) How many grams of carbon are in 34 g of C3H8 propane? b) How many grams of hydrogen are in 0.254…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: There has been increased evidence that human activities are causing changes in Earth's atmospheric…

A: The mass of oxygen used = 1.0 g. The molar mass of Oxygen = 16 g/mol.

Q: The chemical formula of the antiviral drug against COVID-19 molnupiravir is C13H19N3O7. How many…

A: Given drug is, molnupiravir  C13H19N3O7 Molar mass= 329.31 g/mol Mass= 800 mg =0.8  g

Q: How many moles of carbon dioxide are there in 52.06 g of carbon dioxide?   Select one or more: a.…

A: The number of moles indicates the amount of a particular atom in the compound containing that atom.…

Q: How many moles of carbon monoxide are present in 2.05 grams of this compound? _____moles How many…

A: The moles of a substance is calculated from the given mass of the substance using the below…

Q: A sample of a salt was found to contain 2.83 g of calcium and 2.68 g of fluorine. a) Calculate the…

A: Given: Mass of calcium, Ca = 2.83 g. And mass of fluorine, F = 2.68 g.

Q: 1. How many MOLES of dinitrogen monoxide are present in 1.90 grams of this compound ? moles. 2. How…

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

Q: A 2.00 g sample of an organic compound contains 0.675 g of carbon. How much carbon would a 4.00 g…

A: ◼️ Given that:  2.00 g of organic sample has 0.675 g Carbon  Carbon in 4.00 g of same organic…

Q: Morphine is a type of pain medication derived from plants of the opiate family. It has the molecular…

A:

Q: Consider aspirin (acetylsalicylic acid), C9H8O4 a. How much does one mole of aspirin weigh, in…

A: The formula of aspirin given is C9H8O4.

Q: A compound contains, by mass, 81.7% carbon and 18.3% hydrogen. A 0.15 mole sample of this compound…

A: Given  % Carbon  = 81.7 %  % H   =  18.3 %  Number of mole     = 0.15 mole  Mass of compound = 6.6…

Q: How many moles of water, H2O, are present in 2.37 grams of this compound? moles How many grams of…

A:

Q: Co(NO3)2

A: a) First find out the moles of Co(NO3)2 :  moles = ( formula unit / Avogadro number )  Moles = (…

Q: Determine the number of atoms of H in 36.1 grams of C6H12O6

A: We have to calculate the number of atoms in given mass of glucose.

Q: 1. How many ATOMS of nitrogen are present in 8.78 grams of dinitrogen tetrafluoride ? atoms of…

A: 1 mole = 6.022×1023 [ Avogadro's number ]  The mass of one mole of molecules is known as molar mass…

Q: 1. How many grams of nitrogen are in 1.50g of Mg3N2? (0.6pt)

A:

Q: How many grams of Zn2+ are present in 3.92 grams of zinc oxide?   How many grams of zinc oxide…

A: Known: Molar mass of zinc oxide = 81.41 g/mol Molar mass of Zn2+ = 65.4 g/mol

Q: Determine the number of atoms of C in 43.7 grams of C₆H₁₂O

A: Atom is composed of neutrons, protons, and electrons.

Q: What is the empirical formula for the compound made from Y3+ and Cl? Select one: a. YCI3 b. Y3CI c.…

A: Empirical formula is simple whole numbered ratio of atoms present in compound.

Q: Answer each of the following questions. Note that none of them should require difficult…

A:

Q: Which of the following does NOT describe 44.0 g of propane, C3H8? a) the amount of propane that…

A: The number of moles of propane, C3H8, equivalent to 44.0 g of propane is; nC3H8=mC3H8MMC3H8=44.0…

Q: 2 + 2 Mg3P2 ? Pb3P4 + 6 MgO How many moles of PbO2 do you need to produce 80 moles of MgO? How…

A: From the balance equation the conversion factor relating PbO2 and MgO is,

Q: Write the chemical formula, and then calculate the number of molecules in 1.00 g of lithium…

A:

Q: Phosphorus has the molecular formula P4, and sulfur has the molecular formula S8. How many grams of…

A: Given Number of molecules of P4 = number of molecules of S8 moles of P4 = moles of S8   mass of…

Q: Calculate the number of moles in each sample.a. 72.5 g CCl4                            b. 12.4 g…

A: The number of moles is calculated as shown below.

Q: Write the chemical formula for each compound, and then calculate the amount in moles in each sample.…

A: Given Mass of indium carbonate = 19.2 mg

Q: How many grams of Ca(NO3)2 contains 36 grams of oxygen atoms? (A) 15 g (B) 30. g (C) 24.5 g (D) 37…

A: molar mass is defined when we take mass for only one mole ie, for 6.023 ×10-23 atoms. If we have to…

Q: How many carbon atoms are in 36.03 g of carbon?

A: Given 36.03 g of Carbon  To find Number of atoms in the given carbon sample

Q: 1. How many grams of Si are present in 4.68 grams of silicon dioxide ? grams SI. 2. How many grams…

A: The mole of a substance is the mass of that substance upon its molar mass. The molar mass of a…

Q: How many moles of sulfur trioxide are present in 1.02 x 1022 molecules of this compound?  moles…

A:

Q: Determine the mass in grams of 4.78 × 1021 atoms of chromium. (The mass of one mole of chromium is…

A: The number 6.023 × 1023 indicates the number of atoms or molecules in a mole of any substance is…

Q: The formula for sulfur dioxide is SO2. How many grams of sulfur are present in 1.31 moles of sulfur…

A:

Q: The formula for nitrogen dioxide is NO₂2. a. How many grams of nitrogen are present in 3.85 moles of…

A: Here, we have to calculate the mass of nitrogen that is present in 3.85 moles of NO2 and the number…

Q: 1. Vitamin C has the formula C,H,Og. Calculate the number of vitamin C molecules present in a 0.250…

A: 2.) We are having 0.1 g of caffeine (C8H10N4O2) Molar mass of caffeine  = 194.2 g/mol

Q: 1. How many grams of C are present in 3.05 grams of carbon tetrabromide ? grams C. 2. How many grams…

A: 1 mole = 6.022×1023 [Avogadro's number] The mass of one mole of atoms of an element is known as…

Q: How many grams of Al3+ are present in 4.12 grams of aluminum iodide?  How many grams of aluminum…

A: To find the grams, number of moles should be calculated.  Moles = Given mass/ molar mass

Q: 1. How many MOLES of carbon monoxide are present in 2.76 grams of this compound ? moles. 2. How many…

A:

Q: Determine the mass in grams of 5.30 × 10²¹ atoms of chromium. (The mass of one mole of chromium is…

A: 1 mole of a substance equal to  6.022×1023 atoms which is Avogadro’s number. Thus, the gram value of…

Q: 1. How many GRAMS of lead(II) phosphate are present in 3.99 moles of this compound ? grams. 2. How…

A:

Q: Chemistry how many trees would you need to sequester 8216.87g of carbon dioxide produced from 1.0…

A:

Q: How many oxygen atoms are there in 1.50*10^23 molecules of SO3? How many grams of sulfur are…

A: One mole of a substance consist of 6.022 × 10²³ units (such as atoms, molecules, or ions) of that…

Q: a human is 80.0% water, by mass, how many molecules of water (H20) are there in a body weighing…

A: 1 mol water consists of Avogadro's number() of water molecules. Mass of body = 46.57kg Mass of water…

Q: 1. How many ATOMS of carbon are present in 9.30 grams of carbon tetrafluoride, CF4? atoms of carbon…

A:

Q: . What is the number of moles of nitrogen if the mass of morphine is ninety-two point four grams? 2.…

A: 1. What is the number of moles of nitrogen if the mass of morphine is ninety-two point four grams?…

Q: How many grams of Ca are present in 3.28 moles?

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

Q: An average sample of coal contains 3.0% sulfur by mass. Calculate the moles of sulfur present in…

A: Mass of coal given = 2.4 X 103 Kg  Since 1 Kg = 1000 g  Hence mass of coal in g = mass in Kg X 1000…

Q: determine the number of atoms of 75.82g of Ca(No3)2

A:

Q: 1. How many grams of Mn2* are present in 1.53 grams of manganese(II) fluoride? |grams Mn²+. 2. How…

A: