Which of the following is the molecular weight of a binary compound made from the element calcium and a halogen element? O (A) 59.1 g/mol O (B) 75.6 g/mol O (C) 110 g/mol. O (D) 120 g/mol

Q: compound has a molecular formula of C4H12N2. What is the empirical formula for this compound? elect…

A: The emperical formula of the compound is given below

Q: what is the precent mass of oxalat in (K3Fe(C2O4)3·3H2O, 491.3 g/mol)?

A:

Q: A mass of 145 g of a certain element is known to contain approximately 3.64 x1024 atoms. What is the…

A: Let the molecular weight of the element is M gm/mol.  Moles = weight/mol. wt.  Or, moles = 145/M  We…

Q: If the m. Wt. of BaSO4 = 233.42 g/mol %3D and m. Wt. of Na(SO4)2= 140.02 g/mol and wt of…

A:

Q: Ibuprofen, C13H18O2, is a covalent compound and the active ingredient in several popular…

A:

Q: What is the empirical formula for the following compound C5H702CH3? O CSH,04 O C3H5O O C2H30 O…

A:

Q: n oxide of chromium is made up of 5.20 g chromium and 5.60 oxygen. what is the emphirical formula of…

A: Empirical formula The empirical formula is the molecular formula of the compound that represents the…

Q: What is the empirical formula of an oxide containing 49.5% manganese? (Hint:Oxide = compound of Mn…

A: The moles of manganese and oxygen present in the oxide are calculated as

Q: element b forms a chloride BCl3 containing 46.62% chlorine by mass. what is the identity of this…

A: Consider the molecular mass of the compound BCl3 which is formed by the combination of an unknown…

Q: Question 17 Calculate the average atomic mass of Amazium, a newly discovered element (Amazium,…

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

Q: Q/ calculate of the molar mass (Al2(OH)3 * ,Al=26.98, O=16,H=1

A: The molar mass is the weight of one sample mole. Connect the atomic masses (atomic weights) of all…

Q: If the molecular weight of the compound of Na2S2O3 is 158.2g/mol, what is the molecular formula?

A: In the sodium thiosulfate, the number of a sodium atom, sulfur atom, and the oxygen atom is 2, 2,…

Q: An experiment requires that enough C,H1206 be used to yield 11.7 g of oxygen. How much C,H1206 must…

A: Given : mass of oxygen, O2 to be yielded = 11.7 g Molar mass of O2 = 32 g/mol Since mass = moles X…

Q: find the number of particles of 35.0 grams of each of the following: Ag, CF4,C6H12O6?

A:

Q: What is the mass in grams of 39.30 moles of NaI?

A:

Q: 2. If you have 1.00 grams of N22CO3, how many moles of Na2CO3 is that?

A: Given, mass of Na2 CO3 = 1.0 g Moles of Na2CO3  = ?  Firstly, find Molecular mass of Na2CO3

Q: How many atoms of hydrogen are found in 8.12 mol of ethane, C2H6?

A: Given -> Moles of ethane = 8.12 mole

Q: + FA 3.9A Question 9 of 10 View Policies Current Attempt in Progress How many atoms of hydrogen are…

A: Given,  The moles of Octane, C8H18 = 7.84 mol.  The number of hydrogen atoms are:

Q: 3. How many hydrogen atoms are on the left side of the arrow, and how many hydrogen atoms are on the…

A: The given reaction is- 2H2 + O2→2H2O

Q: The molar mass of nicotine C10H14NX is 162 g/mol. What is the value of x?

A:

Q: When iridium-192 is used to treat cancer, a small cylindrical piece of 192Ir, a 0.6 mm in diameter…

A: Given,

Q: h for dellivery from the supplier? Assume that the atomic mass of Ca is 47.0 u.

A:

Q: What is the molecular weight of a sample of ferrous sulfide heptahydrate (FeS-7H20)? (Round all…

A: Molecular weight of a compound is the sum of its individual atoms' malar mass.

Q: Interactive Example 3.9 - Calculating Mass Percent Carvone is a substance that occurs in two forms…

A:

Q: Vou weigh oa Samplo of nickel alloy that has Composition of 75% copper and 25% nickel thgt Is १5.०४…

A:

Q: A gaseous binary compound has a vapor density that is 2.53 times that of nitrogen at 100°C and…

A: (a) If we consider a gaseous binary compound of molecular mass M, its Vapour density is: V=M2×1.0079…

Q: Magnesium react with a certain nonmetallic element to form a compound with the general formula M3X2,…

A:

Q: The weed killer “Roundup” has a chemical formula of ( C3H8NO5P) What is its molecular mass?

A: The overall mass of one molecule of a substance is generally known as molecular mass (or molar…

Q: The presence of SO2 in the atmosphere causes acid rain. How many percent of sulfur present in SO2?…

A:

Q: For erythrosine, a food colornig, C20H6I4Na2O5, how many hydrogen atoms would be present in the 86.0…

A: The relation between moles, mass and molar mass can be written as:

Q: Suppose pairs of balloons are filled with 10.0 grams of the following pairs of gases. Which has more…

A: Given:10 g of  SO2 10 g of  F210 g of  Kr10 g of  CCl4We need to calculate the number of particles…

Q: A certain metal oxide has the formula MO, where M denotes the metal. A 39.46-g sample of the…

A: Given the mass of sample = 39.46g Mass of metal left after heating = 31.70g The atomic mass of metal…

Q: stion 23 of 23 Some of the formulas could be either molecular or empirical formulas; however, some…

A: Molecular formula is representation of actual number of atoms of each element present in that…

Q: The nonprescription pain relievers Advil and Nuprin contain ibuprofen 1C13H18O22, whose molecular…

A: Given, Molar Mass of Ibuprofen(C13H18O22) = 206.3 g/mol                                Number of…

Q: Calculate the percent of calcium in Ca3(PO4)2 to four significant figures.

A: Calculate percentage Ca as follows

Q: A binary compound of oxygen and an unknown element, X, has the formula X20 and is 53.55 mass %…

A: Ionic or covalent : An ionic bond is formed from one atom to another atom and forms attaches through…

Q: i) How many moles of hydrogen in FeSO«'6 H;O are present in one 500-mg tablet of Feosol? Iv) How…

A:

Q: A sample of hydrate of copper(II) sulfate is found to contin 36.08% by mass water. What is the…

A: Molar mass of copper sulfate = 159.6 g/mol Molar mass of water molecule = 18 g/mol Molar mass of…

Q: An element, X. forms a compound with Carbon for which the formula is XC₂. If 37.48% of the compound…

A: An element, X. forms a compound with Carbon for which the formula is XC₂. If 37.48% of the compound…

Q: A 0.415 mol sample of MnX2O7 has mass of 85.14g identify X indicating the symbol and not the name of…

A:

Q: g) How many grams of K2C2O4, potassium oxalate, would contain 182 grams of pure potassium?

A: One mole of K2C2O4 has two moles of potassium.   The molar mass of K2C2O4 is 166.22 g/mol   And…

Q: Ammonium dichromate is a bright orange, crystalline solid.  When heated to a high temperature, one…

A: Ammonium dichromate is a bright orange, crystalline solid.  At high temperature, ammonium dichromate…

Q: 5) What is the percent composition of Carbon, Hydrogen and Oxygen in CaH&O11 ?

A: Percentage composition of an element tell about the percentage of the element present in the…

Q: Chlorophyll with the cher below is a pigment in pla responsible for the green leaves. What is the…

A: Given: Atomic masses, C = 12, H = 1, Mg =24, N = 14, O = 16             Calculated Molar mass of…

Q: What is the molar mass of ammonium phosphate, whose chemical formula is (NH4)3PO4?

A: Molar mass of any compound = atomic mass of all the atoms present in the chemical formula  Since in…

Q: Compound x has a molar mass of 180.15 g•mol and the following composition: element mass % carbon…

A: Given: Molar mass of X = 180.15 g mol-1 Carbon = 40.00% Hydrogen = 6.71 % Oxygen = 53.29% Known:…

Q: What is the mass, in grams, of (a) 6.33 mol of NaHCO3 and(b) 3.0 * 10-5 mol of sulfuric acid?

A: (a) formula weight of NaHCO3 = 84.0 amu using 1 mol NaHCO3  = 84.0 g NaHCO3

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.