a)Using the data provided, determine the mass percent of water and the mass percent of anhydrous copper (II) sulfate in your sample of hydrated copper (II) sulfate.  b) calculate how much water evaporated   mass of hydrated copper (II) sulfate: 131.4g mass of anhydrous copper (II) sulfate: 130.26g

Q: A 19.00 kg sample of an unknown compound contains 0.06 kg of hydrogen, 11.01 kg of gold, 7.93 kg of…

A: Percent composition of any element in a compound is given by the following expression        percent…

Q: A mixture contains both potassium phosphate and potassium chloride. What is the percentage of…

A: The moles of  Cu3(PO4)2 in 0.5565 g is, number of moles=given massmolar mass…

Q: 2. A compound has the following chemical formula; CuAl6(PO4)4(OH)8 4 H₂O. Calculate the mass…

A:

Q: A compound of potassium had the following percentage composition: K 28.73%; H 1.481%; P 22.76%. The…

A:

Q: A 7.591-g gaseous mixture contains methane (CH��) and butane (C₄H₁₀). Complete combustion to form…

A: Balanced reaction for the combustion of CH4 is as follows: Balanced reaction for the combustion of…

Q: A student, Ken, is given a mixture containing two nitrate compounds. The mixture includes NaNO3 and…

A: Mixture consists of two nitrate compounds NaNO3 and Ca(NO3)2. Mass Percentage of NO3 in the mixture…

Q: Lithium carbonate, Li2CO3, contains 18.8 % lithium and is used in the treatment of mental illnesses…

A: Given : mass percent of lithium in Li2CO3 = 18.8 %. And mass of Li2CO3 sample = 1.48 g

Q: 5.00 g of copper is reacted with 5.00 g of sulfur in a crucible and a compound composed of copper…

A: Mass percentage of substance is one of the ways to express composition of compounds. Mass percentage…

Q: A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions,…

A: The amount of a particular element present in a compound is represented by the mass percentage of…

Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

A: In order to calculate the empirical formula of each compound , we first need to convert the grams of…

Q: A 26.125 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put…

A: From 26.125mg compound 46.540mg CO2 and 19.051mg H2Omoles of C= 46.54 CO244×103CO2×mol Cmol CO2…

Q: Copper(II) fluoride contains 37.42% F by mass. Use the percentage to calculate the mass of fluorine…

A: Given data as follows,CuF2 contains 37.42% F by mass indicates in 100g of CuF2 37.42g of F is…

Q: A chemical reaction was used to produce 1.46 moles of copper(II) bicarbonate, Cu(HCO3)2. What mass…

A: To produce 1.4 moles of Cu(HCO3)2

Q: mass

A:

Q: A) Suppose one molecule of Chlorophyll X contains 5 oxygen atoms. Chlorophyll X is 8.95% oxygen by…

A: Molecular mass of Chlorophyll X can be found out by using the mass percentage of Oxygen and number…

Q: A new computer chip contains 4.71×1022 Si atoms. Determine the mass (in grams) of the silicon…

A: 1 mole of any substance contains avagadro number of atoms i.e.6.022×1023 atoms.  6.022×1023 atoms of…

Q: Calculate the number of oxygen atoms in 25.1 g of nitric acid. O 4.80 x 1023 oxygen atoms O 7.19 x…

A: The number of moles of a substance is the mass of the substance upon its molar mass.

Q: 4. A chemist has a sample of propanol, C3H;OH, that contains 9.2 x 1024 molecules. What is the mass…

A:

Q: Acetic acid (HC2H3O2) is the active ingredient in vinegar. Calculate the mass percent composition of…

A: The way of representation of concentration of an element in a compound or a component of a mixture…

Q: A particular coal contains 2.55% sulfur (S) by mass. When the coal is burned, it produces SO2…

A: Given: Coal has 2.55% of S by mass. Burning coal -----> SO2  SO2 + rain water -----> H2SO4

Q: What is the mass percent of silicon dioxide (SiO2) if you are able to separate 2.202g out of a…

A: The mass percentage of a compound in a mixture is equal to the ratio of the mass of that compound…

Q: A 7.591-g gaseous mixture contains methane (CHa) and butane (C4H10). Complete combustion to form…

A: Given : Mass of mixture = 7.591 g Moles of oxygen required = 0.8970 mol The combustion reaction for…

Q: You wish to prepare 210 grams of 16.3 % Mg(NO3)2 You will need grams of magnesium nitrate and mL of…

A: Given that we have to prepare a 210 grams of 16.3 % MgNO32 solution. Recall the expression of mass…

Q: An unknown compound contains 53.34% rhodium, 9.338% carbon, and the rest is oxygen. a) If you assume…

A: Given a compound with the composition: Rh = 53.34 % C = 9.338 % O = 100 - (53.34 + 9.338) % = 37.322…

Q: A chemical reaction was used to produce 1.61 moles of copper (II) bicarbonate, Cu(HCO3)2. What mass…

A: Given data:

Q: Calculate the mass percent composition of bromine in each compound.

A: The mass percent composition of bromine in Br2O =90.89967%

Q: Tartaric acid is the white, powdery substance that coats sour candies such as Sour Patch Kids.…

A: To solve this problem first we find the mass of C , H and O  Then the number of mole of each to get…

Q: A 22.55 g sample of alum is heated in an oven to drive off all the water from the solid. Determine…

A: Answer

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.