The elements X and Y form a compound that is 33.33% X and 66.67% Y by mass. The atomic mass of X is twice that of Y. Part A What is the empirical formula of the compound? Express your answer as a chemical formula. ΑΣφ A chemical reaction does not occur for this question.

Q: Strontium phosphate, Sr3(PO4)2, is a crystalline substance used in medicine and industry. How many…

A: Given that, Sr3(PO4)2

Q: 104. An ionic compound that is 62.56% lead, 8.46% nitrogen, and 28.98% oxygen is used as a mordant…

A: Molecular formula = n x empirical formula

Q: An acid, HEl, is formed from a hypothetical element, El, and a subsequent aqueous solution is…

A: Hypothetical element El Hydroacid, HEl Reaction; H2O + HEl  = H3O+ + El-   Molar mass of HEl =…

Q: A mole of a substance is defined as the amount of substance contained in 12 grams of carbon the…

A:

Q: True or Flase ✅❌؟؟؟ . 1- The molar masses of all the elements are equal . 2- According to the rules…

A: (1.)  The molar masses of all the elements are equal .  [False]  (2.)  According to the rules for…

Q: By chemical analysis, the composition of potassium phosphate is 55.19% K, 14.63% P, and 30.19% O.…

A: Given data contains, Mass percent of potassium is 55.19%. Mass percent of phosphorus is 14.63%. Mass…

Q: Which of the following are ionic compounds? a) calcium carbonate b) SO3 c) CoCl3 d) PCl3…

A: Ionic compounds are formed by the complete transfer of electrons from one metal atom to the other…

Q: The molecular formula of Aspirin is C9H;O4. How many Aspirin molecules are there in a table that…

A: Given that:  Mass of aspirin = 200mg = 200mg×1g/1000mg = 0.2g Molar mass of C9H8O4 =…

Q: Balance the following equation by filling the gaps with appropriate numbers. Na + NANO3 Na20 N2

A: Given here an unbalanced chemical reaction and we are asked to balance the reaction.

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A:

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

A:

Q: 1. Sodium is an alkaline metal which is very reactive and so is not found free in nature. Sodium…

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

Q: Describe the formation of solid potassium sulfide (K2S) from large numbers of potassium and sulfur…

A: ANSWERE IS DISCUSSED BELOW :

Q: Neutralization reactions involve the hydrogen ions (H+) from an acid, reacting with a base that…

A: Since the reaction between hydrogen ions (H+) and hydroxide ions (OH-) produces water as shown…

Q: 19. Nicotine is the component in tobacco that makes smoking addictive. The structure of nicotine is…

A: The nicotine molecule consists of 14 Hydrogen atom (s), 10 Carbon atom (s) and 2 Nitrogen atom (s) -…

Q: The semi-precious stone turquoise is a hydrate and with the chemical formula CuAl₆(PO₄)₄(OH)₈･4 H₂O.…

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

Q: Sodium is an alkaline metal which is very reactive and so is not found free in nature. Sodium forms…

A:

Q: 2. Write the correct chemical formula: a. Magnesium fluoride b. Stannic nitrate c. Magnesium…

A: Following are the chemical formula of given compounds:

Q: When looking at a compound's formula, they can become rather complicated. A simple compound might…

A: Generally different type of small and large molecules represented by using molecular formula, which…

Q: A pharmaceutical company is preparing a supplement that provides several useful ions by the human…

A: A question based on general chemistry that is to be accomplished.

Q: An ionic compound forms when calcium (Z= 20) reacts with iodine (Z = 53). If a sample of the…

A: The compounds which are formed by ions is known as ionic compounds.

Q: Arrange the following substances in order of increasing mass percent of carbon.a. caffeine.…

A: The given substances should be arranged in increasing mass percent of carbon. The molar mass of…

Q: 31. Write the formula for the compound formed when these elements are reacted a. Al and S b. Mg and…

A: a.) Al2S3  b) Mg3P2  c) Na3N

Q: A sample of hydrocarbon on complete combustion gave 1.32 g of carbon dioxide and 0.72 g of water.…

A: Since we know that on complete combustion of of any hydrocarbon it produces H2O and CO2 . To solve…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Ionic compounds are formed by the transfer of electrons. The cation donates the electrons and the…

Q: The true value of a compound’s molar mass is 176.082 g/mol. You do an experiment and determine the…

A: True value of molar mass = 176.082 g/mol Experimental value of molar mass = 177.85 g/mol. % error =…

Q: An iron-containing compound is 20.1% Fe, 11.5% S, 63.3% O, and 5.1% H. What is the empirical formula…

A: First of all, we will calculate the number of moles of each element from given mass and then, we…

Q: Neutralization reaction involove the hydrogen ions (H+) from an acid, reaction with a base that…

A: The reaction between acid and base produces salt and water, the formed salt is dissolved in water to…

Q: A certain compound X is composed of 70.53% carbon, 13.02% hydrogen, and the remainder is nitrogen.…

A:

Q: The best fertilizer is analyzed for its nitrogen content fertilizer rating). NH4NO3 and (NH 4 )2SO4…

A: An atom is the smallest substance that determines the identity and the properties of the element. A…

Q: 1. A compound that consists of metallic and nonmetallic atoms is 2. A compound that composed of two…

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

Q: a. An element (X) is found in the (4th row & 6th group) of the periodic table. Write the symbol of…

A: We have to find the element X in given questions

Q: Tetracarbon dioxide is an unstable oxide of carbon with the following molecular structure: What are…

A:

Q: 3. a. If "Epsom salt", MgSO4. xH₂O, is heated to 250 ° C, all the water of hydration is lost. Write…

A: Epsom salt = MgSO4. xH2O xH2O is the water of crystallization attached physically to the salt.   a)…

Q: The reaction between methanol and oxygen gas produces water vapor and carbon dioxide. 2 CH,OH(1) + 3…

A: From the reaction it is clear that 2 moles methanol and 3 moles oxygen reacts to give 4 moles water…

Q: Sodium and nitrogen form two different binary compounds. The percentages in the two compounds are:…

A: a) Step 1: Conversion of mass % to grams. Assume the weight of the compound is 100 g. Thus, in 100 g…

Q: The elements X and Y form a compound that is 66.67% X and 33.33% Y by mass. The atomic mass of X is…

A: The elements X and Y form a compound that is 66.67% X and 33.33% Y by mass. That means if we assume…

Q: Write the formula for each of the following compounds and indicate which ones are best described as…

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

Q: A metal (M) forms a compound with the formula MI2. The compound contains 79.97% I by mass. Identify…

A: Given:Molecular formula of compound = MI2Mass % of I = 79.97%We need to identify the metal in the…

Q: Write the empirical formula for each of the following compounds Part A. C4H10O4, erythritol, a…

A: Empirical formula of a compound represents the simplest ratio of the elements present in the…

Q: When potassium chromate, K,CrO, is dissolved in water, what ions are produced? no ions are formed K*…

A:

Q: II. Give the chemical formula of the following compounds. 1. Copper (II) sulfate or Cupric sulfate…

A: Chemical formula of an ionic compound can be formed by criss-crossing the valencies of ions.

Q: The Cullinan diamond was the largest natural diamond ever found (January 25, 1905). It weighed 3104…

A: 6.023× 10^23 is called Avogadro's number. 1 mole of any substance contains Avogadro's number of…

Q: A particular carborane has the following mass percentages: 21.30%C and 67.09%B. What is the…

A:

Q: The reaction between methanol and oxygen gas produces water vapor and carbon dioxide. 2 CH, OH(1) +…

A: The given reaction is : 2 MeOH(l) + 3O2(g) = 4H2O(g) + 2CO2(g)  From the reaction it is clear that 2…

Q: How many of the indicated atoms are represented by eachchemical formula: (a) carbon atoms in…

A: The number of indicated atoms present in each chemical formula are:

Q: An antacid tablet weighing 0.928 g contained calcium carbonate as the active ingredient, in addition…

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

Q: Give the chemical formula for each of the following ionic compounds:(a) sodium phosphate, (b) zinc…

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