The active ingredient in aspirin is acetylsalicylic acid, which has the chemical formula . An aspirin pill contains  300 mg of acetylsalicylic acid. How many moles of acetylsalicylic acid does it contain?

Q: The chemical formula for hydrogen fluoride is HF. A chemist measured the amount of hydrogen fluoride…

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

Q: If you have 25.3 grams of iron(II) nitrate and 25.3 grams of sodium sulfate, how many moles of…

A: According to law of mass action, In a reaction the same no of mole of product are formed as the no…

Q: Lead(III) sulfide reacts with calcium chloride to produce lead(III) chloride and caleium sulfide. If…

A:

Q: ? g/mol

A: Pressure (P) = 742 torr     = 742/760 = 0.976 atm Temperature(T) = 99°c = 372 K Volume = 355 mL =…

Q: A commercial bleaching solution contains 3.62 mass% sodium hypochlorite, NaOCl . What is the mass of…

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

Q: A large electronics company is creating and testing SiC for use in new computer chips. A chemical…

A: the mass of SiC created is 29.4 g.

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: Lithium hydroxide is used to absorb CO2 gas. It was also used in APOLLO 13 mission. It absorbs…

Q: How many molecules and atoms are in 20 g of H,PO,?

A:

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A: A balanced chemical equation for a given reaction is defined as the chemical equation containing…

Q: How many particles of a chemical substance are equivalent to one mole, also known as Avogadro's…

A: Mole is one of the fundamental unit. Amount of substance is measured in mole.

Q: How many moles of NaOH are

A:

Q: How many number of particles are in 5.0 g of table sugar?

A: Given, The number of particles are in 5.0 g of table sugar is:

Q: An infant dose of acetaminophen (C8H9NO2) is 0.080 g. How many moles of acetaminophen are in each…

A: Given, Mass of acetaminophen = 0.080g.

Q: White limestones contains a large percentage of calcium carbonate, CaCO, What is the mass in grams…

A: The relation between mole and mass of any substance is given by - Mole = Mass/molar mass

Q: e moles of a

A:

Q: How many atoms of Pb are present in 254 grams Pb?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: pr y moles

A:

Q: What is the percent by mass of calcium tungstate

A: Percent by mass of Ca in CaWO4 = (mass of Ca/mass of CaWO4) × 100% Percent by mass of W in CaWO4 =…

Q: Ascorbic acid (CH,O,) is also known as Vitamin C. What quantity in molecules of CH,O, does a Vitamin…

A: Given: Mass of C6H8O6 = 1025 mg Or mass of C6H8O6 = 1025 ×10-3 g And we know that the molar mass of…

Q: Oxygen was discovered by Joseph Priestley in 1774 when he heated mercury(II) oxide to decompose it…

A: The representation of a chemical reaction by employing the chemical formula of the participating…

Q: The number of moles of atoms in one mole of carbon dioxide gas, CO2, is

A: Given :- number of moles of CO2 = 1 mol  To calculate :- number of moles of atoms in 1 mol CO2

Q: A reaction between nitrogen and hydrogen forms ammonia (NH3). If 15.62 grams of nitrogen is reacted…

A:

Q: . The formula for ibuprofen is C3H1O2. How many moles of ibuprofen are present in 250.0-mg tablet?

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

Q: The empirical formula of a compound is CH. If the molar mass of this compound is about 78 g, what is…

A:

Q: Passing chlorine gas through molten sulfur produces liquid disulfur dichloride. How many molecules…

A: S8 + 4Cl2 -----> 4S2Cl2  284g of Chlorine gives 408g of disulphur dichloride  50g of S2Cl2 is…

Q: How many moles of aspirin contain 8.62 × 10 25 molecules?

A: 1 mole of a substance contains Avogadro's number (6.022×1023) of molecules.

Q: Methanol can be formed by the following UNBALANCED equation below. What is the mass in grams of…

A:

Q: A compound contains arsenic and oxygen as its only elements. A 1.626g sample of the compound…

A: A 1.626 g of the sample contain 1.060 g of arsenicSo, Oxygen = (1.626 -1.060)g…

Q: 81.77 moles of methane to molecules

A: Given: Moles of methane = 81.77 mol.

Q: When nitrogen gas reacts completely with hydrogen gas, the resulting compound is gaseous ammonia. If…

A: A balanced is defined as the equation where equal numbers of total individual atoms are present on…

Q: What mass of calcium chloride is produced when chlorine reacts with 0.92 g of calcium iodide?

A:

Q: For an experiment, a student used 17.50 g sodium chloride.  How many moles of sodium chloride did…

A: Number of moles of any substance can be calculated by using the formula :               number of…

Q: Solid lithium hydroxide is used to remove exhaled carbon dioxide from space vehicles by forming…

A:

Q: in the laboratory, a student weighs out 0.0852 g of cobalt on balance. how many atoms of cobalt are…

A: We have 0.0852 g of Co , we have to calculate the atoms of cobalt in the sample.

Q: In order to convert from molecules of a substance to moles of a substance, what number would you…

A:

Q: How many moles of phosphorus pentachloride are in 288 g of phosphorus pentachloride?

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

Q: The chemical formula for garnet is MgAl-(SiO.). What is the mass in grams of garnet that are in…

A:

Q: Mass % of H in ammonium bicarbonate

A: Answer: 6.38%

Q: The atomic mass of Cl is 35.45 amu, and the atomic mass ofAl is 26.98 amu. What are the masses in…

A: Given, atomic mass of Cl is 35.45 amu  atomic mass ofAl is 26.98 amu

Q: The chemical formula for topaz is Al₂SiO₄F₄. How many moles of topaz are in 990.5 grams?

A: First, calculate the molar mass of Al₂SiO₄F₄. Molar mass = 2×(molar mass of Al) + 1×(Molar mass of…

Q: Methanol can be formed by the following UNBALANCED equation below. What is the mass in grams of…

A: Number of moles = mass/molar mass   Mass of CH3OH = moles of CH3OH × molar mass of CH3OH  Molar mass…

Q: Regular treatment with low dose aspirin is used to help prevent cardiovascular disease. How many…

A: The molecular formula of aspirin is C₉H₈O₄. The number of molecules present in 240 mg of aspirin has…

Q: e percentage yield of the product is:

A:

Q: During the experiment, a student calculated the mass of chlorine in the compound to be 1.153 g. How…

A:

Q: Methanol can be formed by the following UNBALANCED equation below. What is the mass in grams of…

A: We have to calculate the mass in grams of methanol.

Q: How many moles are obtained by adding the moles of the two metals present in the gold medal of the…

A:

Q: For the chemical reaction, Na2CO3+Ca(NO3)2⟶CaCO3+2NaNO3 what mass of calcium nitrate in grams is…

A:

Q: How many moles of Al(CN), are in 187 g of the compound? 187 g Al(CN); mol

A: Given mass of Al(CN)3 : 187 g

Q: What is the percent yield of Na?

A: Given :-  Actual yield = 26 g  Theoretical yield = 46 g To calculate :- percent yield

Q: 6. 2.3x 102 formula units FeCl, to grams

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".