How many GRAMS of chromium(II) sulfite are present in 2.73 moles of this compound?

Q: Does the percent by mass of each element in a compound depend on the amount of that element used to…

A: The mass percent is calculated by the formula, % mass of element=mass of element in compoundmass of…

Q: How many grams of sodium are contained in 118.59 grams of Na2SO3 ?

A: 1.0 mole of Na2SO3 contains 2.0 moles of Na that means 126.0 grams of Na2SO3 contains 46.0 grams of…

Q: 20. How many atoms does each prefix specify? mono-, di-, tri-, tetra-, penta-, hexa-.

A: An atom is the smallest unit in an element that has all the properties of that element. Molecules…

Q: What kind of chemical formula can be obtained from experimental data showing the relative masses of…

A: The formula obtained is:

Q: how many moles of zinc are present in a 79.5 gram sample of naval brass?

A: Naval Brass is a 60:40 copper zinc alloy to which about 1% of tin has been added to improve the…

Q: How many grams of silicon are present in 2.78 moles of silicon dioxide?

A: Recall the data, moles of SiO2=2.78 moles mass of Si=?

Q: How many bromine atoms are present in 35.2 g of CH2B12?

A: Formula to calculate the number of atoms is as follows:- Number of atoms=Number of molecules×Number…

Q: 1. How many MOLES of sulfur dioxide are present in 2.15 grams of this compound? moles. 2. How many…

A:

Q: a. How many moles of sulfur hexafluoride, SF6, are present in 1.87 grams of this compound? moles b.…

A: • Thus, 0.0128 moles of sulfur hexafluoride are present in 1.87 grams of this compound in correct…

Q: Which kind of chemical formula can be obtained from experimental data showing the relative masses of…

A:

Q: Please solve a, b, c thank you

A: Lead(IV) selenite is Pb(SeO3)2  Molar mass of compound = 461.2 gm/mol  Mass of compound = 12.47 gm

Q: Which elements are normally present in organic compounds?

A: SOLUTION: Step 1: Organic compounds are a large class of chemical compounds in which one or more…

Q: How many molecules of trilaurin are present in 3.5 moles of trilaurin?

A: Given: Moles of trilaurin = 3.5 mol

Q: A type of steel used for bicycle frames contain 5g of manganese in every 400 g of steel. How much…

A: Given: Mass of manganese in 400 g of steel = 5 g And total mass of steel in bicycle = 2200 g

Q: How many GRAMS of potassium nitrite are present in 3.81 moles of this compound ? grams.  How many…

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

Q: How many moles of sulfur dichoride are present in 3.82 grams of this compound?  how many grams of…

A: given 3.82 grams of sulfur dichorideMolar mass= 102.97 g/mol102.97 gm of sulfur dichoride= 1 mole of…

Q: How many GRAMS of dioxygen difluoride are present in 4.95×1022 molecules of this compound ?

A: Number of molecules of O2F2 = 4.95×1022

Q: How many ATOMS of nitrogen are present in 3.15 moles of dinitrogen monoxide ?

A: The solution is given below -

Q: 1. How many MOLES of sulfur dioxide are present in 1.89 grams of this compound ? moles. 2. How many…

A: We must know the formula before doing the problem  That number of moles =weight of molecules present…

Q: A.How many moles of boron tribromide are present in 5.93 x 10^22 molecules of this compound?…

A: The molar mass of bromine tribromide  (BBr3) is 250.52 g/mol .

Q: Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4, of mass 22.0 mg.

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

Q: How many grams of carbon dioxide are present in 2.79 moles of this compound? ______grams

A: The number of moles is the ratio of given mass by molar mass. It is expressed in equation (1) in…

Q: Which of the following is an ionic compound? A) Cl2O B) PCl5 C) SCl2 D)CH2O E) MgCl2

A: To identify the ionic compound use the concept of condition of ionic bonding. Combination of metal…

Q: A.How many grams of calcium carbonate,CaCO3,are present in 2.06 moles of this compound? B.How many…

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

Q: Calculate the number of molecules

A:

Q: The number of moles of water in a hydrated compound is calculated to be 0.04 moles. After heating…

A: Moles of water in hydrated form= 0.04 moles Moles of anhydrous( without hydration)= 0.005 moles

Q: How many bromine atoms are present in 35.2 g of CH2Br2?

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

Q: 1.2.How many moles of sodium bicarbonate are present in the 5.00 g?

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Write a ratio showing the relationship between the molar amounts of each element for each compound.…

A: The red balls represent ‘O’ atom, white ball represent ‘H’ atom and the black ball represent ‘C’…

Q: How many molecules of water are present in 4.20 moles

A: Given :- number of moles of water = 4.20 mol  To calculate :- number of molecules of water

Q: 1. How many MOLECULES of dinitrogen tetroxide are present in 4.82 moles of this compound ?

A: Since you have asked multiple question, we will solve the firstquestion for you. If you want any…

Q: How do I find the number of moles of a polyatomic ion in a compound

A: Answer -  Polyatomic ion - A polyatomic ion, also known as a molecular ion, is a covalently bonded…

Q: how many moles are in 46.5 g of pure aluminum and how

A: 1. Mole in terms of mass:  1 mole = atomic mass of an atom. No. of moles (n) of an atom can be…

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

A:

Q: a. How many grams of magnesium sulfide, MgS, are present in 1.76 moles of this compound? grams b.…

A: Known: The molar mass of MgS is 56.38 g/mol.

Q: Explain Composition of Compounds?

A: Atomic theory explains the constant composition of chemical compounds. It is also known as Law of…

Q: 2. How many MOLES of dinitrogen tetroxide are present in 9.71×10² molecules of this compound ?…

A: The given compound = dinitrogen tetroxide = N2O4 Given number of molecules of N2O4 = 9.71×1022

Q: How many moles of sulfur dichloride are present in  2.74 grams of this compound?…

A: The number of moles of sulfur dichloride present in 2.74 grams of compound is

Q: What mass of sodium would be in a 124.56 g sample of sodium thiosulfate? Na2S2O3?

A: Introduction: Mass of  sodium thiosulfate = 124.56 g

Q: A strange sample is analysed and found to be C8H12N2O3. Calculate the percentage of each element in…

A: The mass percentage of an element in a particular compound can be found by dividing the atomic mass…

Q: How many different molecules are drawn below?

A: Applying concept of IUPAC nomenclature of organic molecules.

Q: How many H2O molecules are there in a snowflake weighing 1 mg?

A:

Q: Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4, of mass 23.5 mg.

A: Given, Mass of cocaine hydrochloride, C17H22ClNO4 = 23.5 mg Number of moles is the total mass of…

Q: How many molecular ions (compounds with different weights) would you expect to see in a molecule…

A:

Q: 1. How many MOLECULES of tetraphosphorus decaoxide are present in 2.87 moles of this compound ?…

A: 1. Moles of tetraphosphorus decaoxide= 2.87moles Molecules of tetraphosphorus decaoxide in 2.87…

Q: A.How many moles of boron tribromide,BBr3,are present in 3.15 grams of this compound? B.How many…

A:

Q: Why do scientists use different types of models to represent compounds?

A: The reason why do scientists use different types of models to represent compounds has to be given,

Q: What is the meaning of the subscripts in the formula of a compound ?

A: A subscript is a character, usually a letter or number, that's printed slightly below and to the…