how many atoms are in 8.8×10^−2 g Sr

Q: How many atoms are in 11.5 g Au

A:

Q: 4. Determine the formula mass for each of Br2: A. 133.34 amu B. 238.0 amu C. 18.02 amu D. 159.8…

A: Molecule is made up of atoms. An atom consist of nucleus that contain protons and neutrons.

Q: Determine the number of each type of atom in formula. Mg(HCO3)2

A: We have to determine the number of atoms of each type present in the Mg(HCO3)2.

Q: Calculate the mass, in grams, of each of the fol

A: 1. Mole interms of particles :     1 mol = 6.022 x 1023 particles   2. Mole interms of  mass :…

Q: A sample has 8.63 x 10 atoms of boron. How many moles of boron does this represent? O1.41 .014 O…

A: Given : Number of atoms of boron = 8.63 X 1021 atoms

Q: Calculate the formula mass for each compound.a. NO2 b. C4H10 c. C6H12O6 d. Cr(NO3)3

A:

Q: How many atoms are there in formula AL2O3? (aluminum oxide

A: SOLUTION:Step 1: In the given Formula Al2O3 (aluminum oxide), there are two aluminum atoms and 3…

Q: How many oxygen atoms are in each chemical formula? (a) H3PO4                                  (b)…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Determine the molar mass of allyl sulfide, thecompound responsible for the smell of garlic.…

A: Given  Chemical formula of allyl sulfide = (C3H5)2S Molar mass of allyl sulfide (C3H5)2S = ( Atomic…

Q: A drop of water has a volume of approximately 6×10−2 mL . How many water molecules does it contain?…

A: Relation between mass and number of molecules is:

Q: TRUE or FALSE Molecular mass is the sum of the atomic masses in a molecule.

A: Molecular mass gives the mass of the molecule relative to that of 12C atom which has a mass equal to…

Q: Calculate the formula mass for each compound.a. MgBr2 b. HNO2 c. CBr4 d. Ca(NO3)2

A: Formula mass of given compounds:

Q: Q5. Which compound is ionic? (а) BrFs (b) HNO3 (c) MgSO4 (d) NI3

A: To find: The compound which is ionic

Q: 5. How many atoms of hydrogen are present in 2.69 moles of water? 6. Calculate the mass of nitrogen…

A:

Q: One mole of copper has a mass of 63.5 grams. Approximately how many atoms of copper are present in…

A: Given  Number of mole = 1 mole  Number of atoms of copper = ?

Q: Calculate mass, in grams, of each sample. a.) 1.32 mol SO3 b.) 0.555 mol magnesium fluoride

A: Mole in terms of mass :  1 mole = molecular mass of a sample  Number of moles (n) :  n = given mass…

Q: Determine the number of each type of atom in formula. Ca(OH)2

A: Calcium hydroxide is an inorganic compound. The molecular formula of this compound is Ca(OH)2. The…

Q: how many  atoms of carbon in 12.77 g manganese (III) oxalate.

A: Molecular formula of Manganese oxalate is C2H2MnO4 . 1 molecule of manganese oxalate contains 2…

Q: 105: A drop of water has a volume of approximately 0.05 mL. How many water molecules does it…

A: 105. Given that,  Volume of 1 drop of water = 0.05 mL Density of water = 1 g/mL Mass of 1 drop of…

Q: 2C,H6 How many atoms each element are in the formula shown? c= H=

A: • Given Molecule:-   2C2H6How many atoms each element are in the formula shown:-   C = 4, H = 12

Q: Determine the number of moles of hydrogen atoms in each sample. a. 0.0885 mol C,H10 c. 2.4 mol C,H12…

A: a. 0.0885 mol C4H10 1 mol of C4H10 contains 10 mol of H. Thus, 0.0885 mol C4H10 will contain 10 x…

Q: Čalculate the number of hydrogen atoms present in 12.30 x 102 dekagrams of strontium hydrogen…

A:

Q: How many atoms are in 45.6 g Li

A: Given, Mass of lithium (Li) = 45.6 g Number of atoms are in 45.6 g Li = ? Note: Atomic mass of of…

Q: How many ions are in .29 moles of O2? O 7.62 x 1024 O 1.98 x 1024 O 4.65 x 1025 O 1.74 x 1023

A: We know that , 6.023×1023 molecules of H2O=1 moles of H2O.                   1 molecule of H2O…

Q: How many hydrogen atoms are in 29.85 g (NH4)2SO4?

A: Given :-  mass of (NH4)2SO4 = 29.85 g  To calculate :-  no. of H atoms

Q: Choose a ratio showing the relationship between the amounts of each element for each of the…

A: A) The structure given is,

Q: What is the molecular mass in amu of copper(I) sulfate? Use these values from the periodic table…

A: The answer to the following question is given as:

Q: Question attached

A: Mass percent of oxygen can be calculated as follows: Mass percent of oxygen = Mass of oxygen per 1…

Q: Use the LAW OF CONSERVATION OF MASS to fill out the missing information in the table below HCI +…

A: Given that : We have to use the law of conservation of mass to calculate the mass of NaOH :

Q: Determine the number of atoms in a piece of silicon that has a mass of 15.0 grams. O 1.13 x 1024…

A: *** { note :- as per guidelines only one question will be answered. Please repost remaining…

Q: Calculate the number of atoms in a 6.87 x 10 g sample of calcium. number of atoms: atoms

A: Molar mass of calcium is 40g/mol. Now we have to calculate number of atoms.

Q: Which of the following compounds are ionic? 1. MgCl2 2. P205 C6H1206 4. Biz(SO4)3 Ba(ОН)2 3. 5.

A: Ionic compound is a compound which contains ions(cations and anions). Ions in ionic compounds are…

Q: Classify each of the substances as an atomic element, molecular element, molecular compound, or…

A: Atomic element: An elements exists independently (single element) is known as atomic element.…

Q: Calculate the mass of 1.92 x 1018 atoms of Mg. O 1.08 x 10 10g O 2.73 x 10 10 g O 7.75 x 105g O 1.62…

A:

Q: Calculate the mass, in kg, of each sample. I.) 1.68×1026 cadmium atoms. II.) 3.57×1027 nickel…

A: Here we need to calculate the mass of each sample as: I.) 1.68×1026 cadmium atoms. II.) 3.57×1027…

Q: Calculate the number of particles in each sample. Indicate the correct type of particle (atom,…

A: 1- In this question, we will determine the number of particles in the given sample. And also we will…

Q: them from smallest to largest by mass. 0.75 mol H20(liq) 7.0 g N2(g) 0.55 mol Ar(g) 0.45 mol N2(g)

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: If you are given 9.47 x 1024 formula units of Li¿F, how many moles do you have of this imaginary…

A: Introduction: A formula unit is an empirical formula for an ionic compound. It is the minimum…

Q: Based on your answer in Part B, how many electrons are in this amount of 13C? Express your answer…

A:

Q: Čalculate the mass of 1.92 x 1018 atoms of Mg. O 2.73 x 10 10 g O 8.96x 10:5 g O 1.62 x 10-4g O 7.75…

A:

Q: What is the formula of the compound in which the atom combining ratios are: chlorine : oxygen :…

A: The molecular formula of a chemical compound consists of chemical symbols with numeric subscripts…

Q: How many moles of Li are in 1.46 x 105 atoms of Li? O 412 mol O 4.12x 10° mol O 2.40 x 109 mol O…

A: We have to calculate the number of moles of Li is in 1.46×1015 atoms of Li. We know that 1 mole of…

Q: How many chlorine atoms are in 12.2 g of CCl4? (C: 12 g, Cl: 35.5 g)

A: Given : Mass of carbon tetrachloride (CCl4)=12.2 g The molar mass of carbon tetrachloride=12 x1 +…

Q: Calculate the number of atoms in a 4.06 x 10 g sample of calcium. number of atoms:

A: Given: The mass of the sample of calcium (Ca) is 4.06 x 103. The molecular weight of calcium (Ca) is…

Q: How many moles of Li are in 1.46 x 1015 atoms of Li? O 4.12x 108 mol O 412 mol O 2.40 x 10-9 mol O…

A:

Q: How many atoms of each kind are represented by: 3(Hg2)3(PO4)

A: Molecular formula is a type of chemical formula that is presented and expressed by counting and…

Q: How many phosphate ions are there in 5.65 mg of Ca;(PO)2 (MM= 310 g/mol) O 1.03x1020 ions O 1.18x102…

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

Q: How many total ions are in 3.36 g of zinc bromate? O 1.72 x 1022 ions O 6.30 x 1021 ions O 2.09 x…

A: Given, mass of zinc bromate = 3.36 g

Q: Determine the number of atoms of O in 85.0 moles of Cra(PO.) 4.09 x 10 26 atoms 3 4. 6. 8. 9. +/- x…

A: Given: 85.0 moles of Cr3(PO4)2