The human body contains 63% H, 25.5% O, 9.45% C, 1.35% N, 0.31% Ca and 0.22% P, plus trace elements present in smaller quantities. Assume mol percents How many grams of each element are present in a 5-kg baby? What is the mass of deuterium in the baby if deuterium naturally constitutes about 0.014% of all hydrogen atoms?

Q: A nuclear detector finds 80 atoms of oxygen-16 (15.999 amu), 60 atoms of oxygen-14 (13.999 amu), and…

A: A nuclear detector finds Isotope Atomic mass No of atoms detected oxygen-16  15.999 amu 80…

Q: A mole of molecules (96.0281023 molecules) has a mass in grams numerically equal to the atomic mass…

A: Given, mass of CO2 = 54 g moles of CO2 = ? Note:  molar mass of CO2 = 44.01 g/mol

Q: Explain the Convert between grams of a compound and grams of aconstituent element ?

A: Given statement: "The subscripts in a chemical formula give relationships between moles of the…

Q: Be sure to answer all parts. The interhalogen compound CIF3 reacts with NH3 to produce three…

A: Given, 2NH3 + 2ClF3 → 6HF + N2 + Cl2 mass of NH3 react = 29.0g mass of ClF3 react = 170.4 g mass of…

Q: How many grams would 71,934,010,495 atoms of a substance weigh if it has a molar mass of 23.7889…

A: Number of atoms = 71,934,010,495 atoms  6.02×1023 atoms = 1 mol 71,934,010,495 atoms =…

Q: The number of moles in 37.80 g of C2H6O (molar mass = 46.1 g/mol) is?

A: Given information,       Mass of C2H6O is 37.80 g.     Molar mass of C2H6O is 46.1 g/mol.

Q: 12 (a) Calculate the # of moles of the alement present in 99.9 g of nickel (b) Calcolate the mass in…

A: Given a) Mass of Ni             = 99.9 g b) No.of moles of Ni = 0.251 mol c) No.of moles of Ni  =…

Q: A sample of propanol, C3H3O, contains 0.383 mol of the compound. What is the mass of the sample, in…

A:

Q: A compound containing only sulfur and arsenic is 30.0% S by mass; the molar mass is 428 g/mol. What…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: How many grams of nitrogen are in a .10g sample C8H10N4O2?

A: Step : 1            The mass of caffeine ( C8H10N4O2 ) is not clear, so we consider as two cases  :…

Q: A thyroid condition called goiter can be treated by increasing iodine in the diet. Iodized salt…

A: The topic of the question relates to the use of iodine in the treatment of goiter, a condition…

Q: Determine the molecular formula for a molecule with 3.611024 atoms of Carbon per mole of the…

A: Answer: To solve this question we have to find out the number of moles of carbon, hydrogen and…

Q: What is the mass of carbon in grams found in one molecule of the compound C7H8O4?

A: The atomic mass of carbon is 12 g. Thus, the mass of one atom of carbon in the molecule is…

Q: How many grams of sodium carbonat contain 1.773E17 carbon atoms?

A: Here we are required to find  grams of sodium carbonate contain 1.773 ×1017 carbon atoms

Q: Calculate the mass, in grams, of  0.607  mol of hydrogen peroxide,  H2O2 . mass of  H2O2:

A:

Q: What is the molecular mass of CH¿I? amu

A: Molecular mass is defined as the is the mass of a given molecule. The unit of molecular mass is amu…

Q: 1. How many GRAMS of manganese(II) are present in 1.89 grams of manganese(II) hydroxide, Mn(OH)2 ?…

A: Number of moles = mass/molar mass  Molar mass of Mn(OH)2 = 88.95 g/mol  Molar mass of Mn(II) =…

Q: The Cullinan diamond was the largest natural diamond ever found (January 25, 1905). It weighed 3104…

A:

Q: How many moles are equal to 4.5 x 1023 molecules of carbon monoxide? (Round to two decimal places).

A: No of CO molecules = 4.5 × 1023 molecules No fo moles = to be determined

Q: A chemical engineer has determined by measurements that there are 3.2 moles of hydrogen in a sample…

A:

Q: How many oxygen atoms are in 19 molecules of tetraphoshorus decoxide (aslo known as phosphorus…

A: Given, molecular formula of phosphorus pentaoxide P4O10 , we are asked to determine total number of…

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: If the weight of calcium oxalate is 2g and weight of ammonium oxalate is 0.15 g then te percentage…

A: Given that Weight of  calcium oxalate (CaC2O4) = 2g  Weight of  ammonium oxalate ((NH4)2C2O4) = 0.15…

Q: Suppose 2.60 g of chlorine, Cl2, are used to prepare dichlorine pentoxide, Cl2O5. How many moles of…

A: Ans. Dichlorine pentoxide formation: (a) moles of oxygen             2Cl2+5O2 → 2Cl2O5      (2…

Q: A mixture contains 0.291 mol of Mn2O3 and 23.5 g of MnO2.  How many mols of Oxygen are in the…

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

Q: mole of Fl(OH)2 would have a mass of how many grams

A: Given -> Molecular formula= Fl(OH)2 Number of mole = 1 mole

Q: A new organic material is to be examined by combustion analysis. Burning 0.09303 g of this sample in…

A: The sample contains the percentage of, C = 40.63 % H = 5.08 % O = 54•28%

Q: Calculate the mass, in grams, of 962 atoms of cadmium, Cd (1 mol of B has a mass of 112.41 g). with…

A:

Q: Tennantite is an ore of copper with the formula Cu12As4S13. How many moles of copper are present in…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: A sample of a compound decomposes into its elements A and B.  When the compound decomposes 7.75g of…

A: Given : Mass of B produced = 7.75 g Mass ratio of A and B = 3.60  And compound decomposes to A and…

Q: Styrene Empriical formula is CH. Wh at mass of styrene contain 1.98x 10^21 Atoms of hydrogen. The…

A: The objective of the question is to find out the mass of Styrene that contains a specific number of…

Q: How many moles of carbon in 70.43 grams of C6X12Y4? (Assume the molar mass of C6X12Y4 is 295.8)

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

Q: What amount of CuSO4•5H,O, in moles, does this mass represent? mass = 1.787 g %3D X mol resubmit…

A: Given : Mass of CuSO4.5H2O = 1.787 g And molar mass of CuSO4.5H2O = 249.69 g/mol.

Q: If you have a 25% Ca in calcium fluoride, what is the mass of Ca if you have 2.40 g of calcium…

A: Mass percent is defined as the mass of the substance divided by the total mass of the mixture,…