What is the percent (by mass) water CaSO4.2H22O?

Q: 2.350g of CuSO4·nH2O was heated to produce 1.502 g of anhydrous CuSO4.   Calculate the moles of…

A:

Q: If 1.5 moles of oxygen gas combines with solid aluminium to form Al203, what is the mass of…

A:

Q: What is the percent composition of phosphoric acid ( H 3 P O 4 )?

A: Mass percentage of H = mass contribution of H in a molecule of H3PO4 ×100molecular mass of H3PO4…

Q: What is the mass, in grams, of a mole of ozone (0,) molecules?

A: Given :- 1 mol O3 molecules  To calculate :- mass of 1 mol O3 molecules in gram.  1 mol O3 molecules…

Q: What is the molar mass of AuCl3? O 1) 130 g O 2) 303.6 g O 3) 232.5 g O 4) 96 g

A: Atomic mass of Au= 196.97 amu Atomic mass of Cl = 35.45 amu

Q: What is the average mass (in amu) of:a. Hg b. Kr c. Mg

A: The average atomic mass of an element is the average weight of all the isotopes of that element,…

Q: What volume of 1.85 M KOH will react completely to 100.0 g of Al2S3?

A: Here we are required to find the volume of 1.85M KOH required to react with aluminum sulphide

Q: Based from the given problem, What is the percentage purity of the tartaric acid (C4H6O6)? *

A: Tartaric acid is an example of a bicarboxylic acid. It is found naturally in many fruits such as…

Q: What is the mass of O in a sample of 70.09g of CO2?

A: Two or more elements are combined to form a chemical compound. Here C and O combine to form CO2…

Q: What is the mass percentage of O in CO2? Provide an answer to two decimal places.

A: Given,  The mass percentage of O in CO2 is:

Q: What mass, in grams, of NO2 is needed to form 140.4 g of NO? Assume excess water.    3NO2(g) +…

A: The reaction given is  3 NO2(g) + H2O(l)  →  2 HNO3(aq) + NO(g) Given : mass of NO forming = 140.4 g…

Q: How many grams of water (H2O) are produced if 10.0 moles of C4H10 are used?

A:

Q: What is the percentage composition of C6H12O6

A: Glucose composition  means that carbon, hydrogen and oxygen are present in the ratio 1 : 2 : 1 in…

Q: What is the molar mass of the molecule Mg(OH)2

A: The molar mass of a molecule can be calculated by taking the sum of the atomic molar mass of all the…

Q: In one analysis, the density of ozone in an air sample was found to be 5.00  10−8 mol/L. What is the…

A:

Q: How many grams of NH,NO3 are required to produce 33.0 g N2O?

A: Given :- mass of N2O produced = 33.0 g  To calculate : mass of NH4NO3 required    Number of moles =…

Q: What mass of ammonium phosphate is produced by the reactionog 5.8 g of ammonia?

A:

Q: Calculate the mass in g corresponding to 3.400 mol H2O

A: The molecule given is H2O Hence molar mass of H2O = Atomic mass of H X 2 + Atomic mass of O X 1…

Q: what mass in grams of H2O can be produced from 9.00 moles of O2?

A: In the given question we have to calculate the mass in gram of H2O. the balanced equation will be  2…

Q: What mass of hydrogen peroxide (H2O2) must decompose to produce 65.88 g of H2O?

A: Given data: The mass of H2O = 65.88 g. To find: The mass of hydrogen peroxide (H2O2).

Q: 4. How many moles of water are present in a 20.00 gram sample of lithium permanganate, LiMnO4-3H2O?

A: by using mole concept we easily determine the mole of element are present in reactent and products.

Q: how to calculate the number of moles in 4.00g of  SnO2

A: Number of moles of a substance = Mass of substance/Molar mass of substance Given that: Mass of SnO2…

Q: Given: 2KClO3(s)  2KCl + 3O2(g) How many grams of oxygen are produced by the decomposition of…

A: The given reaction is, The given moles of potassium chlorate is 1.70 moles.

Q: Determine the number of moles in 8.73 x 1023 formula units of CaCl2.

A: We can used the equation for calculating the moles of given formula unit.  Equation is :  Number of…

Q: For the reaction N, + 3H, 2NH, what is the Mole ratio of nitrogen to hydrogen? t. Mole ratio of…

A: In a balanced chemical equation , the stoichiometric coefficients of reactants and products…

Q: Assuming constant conditions, how many milliliters of chlorine gas react to yield 1.15 LL of…

A: We are given the following reaction: Cl2(g)+O2(g)--------->Cl2O3(g). The volume of Cl2O3(g)…

Q: What is the mass percentage of Na in NaF?

A: The mass percent of an element is defined as the mass of that particular element present in the…

Q: What is the percent by mass of chlorine in Ca(ClO 3 ) 2

A:

Q: What is the total volume of gases produced when 3.0 L of nitrogen trichloride (NCl3) decomposes into…

A: The reaction given is decomposition of NCl3 producing chlorine i.e Cl2 and nitrogen i.e N2 gas.…

Q: Consider the following reaction. How many moles of oxygen are required to produce 10.0 moles of…

A:

Q: How many millimoles are in 3.93 x 1025 bismuth(V) hydrogen carbonate formula units?

A:

Q: The density of phosphoric acid (H3PO4) is 1.885 g/cm². How many moles are present in 0.245 L of…

A: NOTE : The units of density will be g/cm3 and not g/cm2. Given : Density of H3PO4 = 1.885 g/cm3 =…

Q: What is the molar mass of SO2?

A: The molar mass of a compound or molecules is the sum of the masses of all the atoms present in it.…

Q: No + 3H, 2NH From the above reaction, what is the mole ratio between nitrogen and ammonia?

A:

Q: What is the percentage composition of CaCl2

A: Relative mass of each of the constituent element in 100 part of it   Mass % of element = W/M x100…

Q: How many grams of NH3 can be produced from 12.4 g of H2?

A: By writing the balance chemical reaction and using the concept of mole mole analysis we can solve…

Q: How many grams are in 10.0 mEq of Ca2+?

A: Number of equivalents of a given ion can be obtained by equation given below:

Q: Calculate the number of moles for 280g of water, H2O?

A: Given: mass of H2O = 280 g molar mass of H2O = 18.015 g/mol

Q: Calculate the following quantities: (a) number of H atoms in 0.585 mol C4H10

A: Moles of C4H10 given= 0.585 moles  To calculate : no. of H atoms in it.

Q: What mass of HF would be produced from 4.6L of f2 gas w

A: Mass of HF produced from 4.6L of f2 gas would be given by

Q: Phosgene, a substance used in poisonous gas warfare during World War I, is so named because it was…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: How many moles of mercury (II) oxide are needed to produce 125 g of oxygen?

A: Given :- mass of O2 = 125 g  To calculate :- number of moles pg HgO required.

Q: What is the mass percentage of O in C₃H₈O₂? Provide an answer to two decimal places.

A: We have to find the mass % of O in C₃H₈O₂ As,  Atomic mass of C = 12 g mol-1 Atomic mass of H = 1 g…

Q: How many grams of O2 are required to produce 1.23 x 1024 molecules of water? 2H2 + O2 2H2O 131 g…

A:

Q: How many grams of ammonia (NH3) will be produce if 289 g of nitrogen are used?

A: Given :- mass of N2 = 289 g  To calculate :- mass of NH3 (in g)

Q: How many moles of water are produced from 19.2 g of B2H6?

A:

Q: mass

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".