What is the mass in grams of 4.57 × 10²⁵ molecules of Cl₂? I get the write and but the wrong number of tens when doing it on my calculator and I am not sure why Correct answer is =5.38×10^3 g Cl2 My answer is =5.38 x 10^49

Q: How many grams are in 7.59 x 1023 molecules of Fe2O3?

A: Given 7.59 ×1023 molecules of Fe2O3 . To find grams of Fe2O3 .

Q: How many daL of bromine are in 15.7 x 1022 molecules?  (The density of bromine is 3.1 g/cm3) The…

A: Given: The density of bromine = 3.1 g/cm3 We have to find How many daL of bromine are in 15.7 x 1022…

Q: Aspartame is an artificial sweetener that is 160 times sweeter than a(table sugar) when dissolved in…

A: Aspartame is 160 times sweeter than sugar and it is used as artificial sweetening agents. Molecular…

Q: A chemist adds 355.0 mL of a 1.96 x 10 mol/L mercury(I) chloride (Hg,Cl,) solution to a reaction…

A:

Q: How many atoms of chlorine are in 6.85 g of chlorine

A:

Q: Question attached

A: 1: Identify the given in the problem stated. The given in the problem are the following: Each cork…

Q: How many CH3(CH2)4OH molecules are there in 39.5 g of CH3(CH2)4OH? Enter your answer using the…

A: Mass of CH3(CH2)4OH  = 39.5 g

Q: Fingernail–polish remover is primarily acetone (C3H6O).How many acetone molecules are in a bottle of…

A: Given data contains, Volume of acetone is 325 mL. Density of acetone is 0.788 g/cm3.

Q: Using the average atomic masses given inside the front cover of this book,calculate the indicated…

A: Molar mass of iron(Fe) is 55.85 g/mol

Q: How many milligrams in a gram? O 0.01 O 101 O 10,000 O 10 O 0.0001 O 0.1 O 103

A: Gram and milligram are units used for weights.  1 kilogram = 1000grams 1 gram = 1000 miligrams

Q: What is the mass in grams of 1.58x10^24 atoms of beryllium?  grams How many beryllium atoms are…

A: Given data- a) The number of Be atoms= 1.58x1024 To find - the mass of Be in grams b) The mass of Be…

Q: Fingernail–polish remover is primarily acetone (C3H6O). How many acetone molecules are in a bottle…

A: Given: Volume of acetone, V = 325 mL = 325 cm3 Density of acetone, d = 0.788 g/cm3 Mass of acetone =…

Q: What is the mass in grams 1.46 x 10^24 of atoms of krypton? a. _____grams b.  How many krypton…

A:

Q: The chemical formula for urea is: (NH,),CO Calculate the molar mass of urea. Round your answer to 2…

A: Molar mass of a compund is defined as a mass of a sample of a that compund divided by the amount of…

Q: many grams of O2 are in 1.51 x 1023 molecules

A: 1 mole contains molecules equal to avagadro's number  Molar mass of O2= 32 g/mol It means 32 g O2 is…

Q: What is the mass in grams of 7.80x10^15 molecules of CO?

A:

Q: What is the mass of NaBr in the mixture? Express your answer using two significant figures. A…

A: Total mass .of Cl and Br is equal to 2.08-0.76=1.32g.

Q: Calculate the mass in grams of 3.96 x 104 molecules of dichlorine hexaoxide. Enter your answer in…

A: DIchlorine hexaoxide →Cl2O6Number of moles of any molecule = Given number of molrculesAvogadro's…

Q: Calculate the mass of 3.011 x 10^23 atoms of calcium.  Report your answer to two decimal places

A: First find no. of moles by dividing by Avogadro no. ( NA) then find mass.

Q: What is the mass, in grams, of 7.940 x 1023 molecules of zinc acetate? Enter your answer with at…

A: Given number of molecules of zinc acetate=7.940×1023 Chemical formula of zinc acetate, ZnC4H6O4…

Q: A chemist needs 32.0 g of phenol, C6H5OH, for an experiment. How many moles of phenol is this?…

A: Given, Mass of phenol (C6H5OH) = 32.0 g Moles of phenol (C6H5OH) = ? Note: Atomic mass of Carbon (C)…

Q: When someone in my class asked the professor I'm not sure if she misunderstood and just said yes so…

A: Number of moles of He is determined,

Q: Urea, chemical formula (NH,)½CO, is used for fertilizer and many other things. Calculate the number…

A:

Q: What is the mass, in grams, of 7.30×1020 molecules of caffeine, C8H10N4O2? Express your answer using…

A: Welcome to bartleby !

Q: Now if z is the initial mass of magnesium and y is the initial mass of aluminum, the total number of…

A:

Q: What is the mass, in grams, of 1.40×1021 molecules of aspirin, C9H8O4C9H8O4? Express your answer…

A: The number 6.022 × 1023 indicating the number of atoms or molecules in a mole of any substance is…

Q: What is the mass in grams of 9.25 x 10^24 molecules of CO2? Write the answer in decimal form.

A:

Q: Consider the reaction: 2 NH3(g) + 3 N20(g) → 4 N2(g) + 3 H20(1) 112 g of NH3 reacts with 215 g of…

A: From the reaction it is clear that 2 mole NH3 reacts with 3 mole N2O.  Molecular weight of NH3 and…

Q: Do the following calculations involving moles and molar masses: 1.  How many moles of NH3 are there…

A: Given,1.  5.0×1024 molecules of NH3 number of moles is:2. Mass of one molecule of NH3  is3. Mass of…

Q: grams are in 2.71 x1024 molecules of S8?

A: Given: To find the grams in 2.71×1024 molecules of S8

Q: 3. A 5-peso coin was placed on top of a watch glass and their mass was recorded as 45.68 g. The mass…

A: Initially, mass = 45.68 g Empty watch glass mass = 39.86 g

Q: What is the mass (in grams) of 5.03*10^22 molecules of CO2 molecules?

A: 1 mole = 6.0226 x 1023 Molar mass of CO2 = 44.01 g/mol Given that: Number of molecules of CO2 = 5.03…

Q: What is the mass in grams of 3.7 x 1019 particles of iron(III) carbonate?

A:

Q: Mass of KHP 4.0 4652 g .5282 g 40 4831 Initial Burette Reading 40.39 0.39 mL 40 11.01 mL 22.70 ml…

A: 1) KHP is a monoprotic acid with molecular formula C8H5KO4. Hence it reacts with base NaOH as per…

Q: How many atoms of oxygen are in 12.99 g of nickel(II) nitrate? 2.569 x 1023 1.284 x 1023 1.944 x…

A:

Q: The following ratios of NaOH to HCl were determined in an analysis: T1 = 0.9958, T2 = 0.9929. How…

A:

Q: What is the mass in grams of 7.73x10^24 molecules of CO2? Please express in decimal form How many…

A: Molecules of CO2 = 7.73 x 1024  Mass of CO2 = ?

Q: Calculate the mass in milligrams of 4.67 x 104 formula units of Bi(NO3)3 5H,0. Enter your answer in…

A:

Q: A mixture sample containing 80% NaHCO3 and 20%NaCl was marketed for certain food preparations. As an…

A: NaHCO3 decomposes on heating as follows:

Q: An analytical chemist measures the amount of Elements E, and E, in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: If you have 1.08 x 10^24 atoms of gold, how many grams of gold do you have? Answer the equation in…

A: We know that, in 1 mole of an element, there are 6.022 x 1023 atoms. So, weight of these 6.022 x…

Q: You are given a 15.0 g mixture. You find out that the mixture contains 3.55 g salt, 4.78 g sand and…

A: Given, mass of mixture = 15.0 g mass of salt = 3.55 g mass of sand = 4.78 g

Q: How many moles of NaOH are in 26.27 mL of 1.4 M NAOH? Do NOT place the answer in scientific notation…

A:

Q: CALCULATE:  1. The numbwr of moles of 0.020 kg H20 2. The number of moles of 8.30 x 10²⁰ molecules…

A:

Q: What is the volume (in mL) of isopropanol that contains 7.23 × 1022 molecules of isopropanol? The…

A:

Q: How many atoms of oxygen are in 231.000 grams of lead (IV) oxide? Enter your answer using Canvas's…

A: moles : Mole, also spelled mol, in chemistry, a standard scientific unit for measuring large…

Q: I am having a bit of trouble with significant figures and rounding. In a question such as the one…

A: Significant figures are basically the measure of uncertainty in measurement.In the answer,digits are…

Q: Percent by mass of hydrogen in ammonia, NH3, is 17.77 %.  Which of the following is the grams of…

A: Gram of hydrogen = percentage of hydrogen × mass of ammonia.

Q: Answer the following questions regarding this chemical reaction: Cu(s) + HNO3(aq) -->…

A: The given chemical reaction is: If you have 32.5 g of Cu, the amount Cu(NO3)2 that is produced is…