how many molecules are contained in a 7.05 How many molecules are contained in a 7.05-g...

Question

Question

how many molecules are contained in a 7.05

science chemistry

Answer 1

Answer #1

O given チ-o57+ dov u lkyl.we r cuy (cıla-m-cIt.) : Moluss mass = 0403056 woli 1.мо ibe d 61-6-131 ช 230.66

Answer 2

Similar Homework Help Questions

A sample of sulfur trioxide (SO3) weighs 5100g. How many molecules are contained in this sample?

A sample of sulfur trioxide (SO3) weighs 5100g. How many molecules are contained in this sample? Use 80.063 the molar mass of SO3. Use 6.022 x 1023 mol-1 for Avogadro's number. Report your answer in scientific notation.Your answer should have two significant figures.
Calculate the mass in grams of each sample. 2.3×1022 SO2 molecules. = ______ g Express your...

Calculate the mass in grams of each sample. 2.3×1022 SO2 molecules. = ______ g Express your answer using two significant figures. 4.3×1025 O3 molecules =________ g Express your answer using two significant figures. 9.30×1019 CH4 molecules =________ g Express your answer using three significant figures.
How many molecules are contained in each of the following number of moles? Report your answer...

How many molecules are contained in each of the following number of moles? Report your answer using two significant figures. a. 5.6 mol of penicillin molecules b. 0.84 mol of NH3 molecules a. × 10 molecules

1) Sample of nitrogen gas, N2 weighs 15.3 g. How many molecules N2 and how many...

1) Sample of nitrogen gas, N2 weighs 15.3 g. How many molecules N2 and how many atoms of N are present in this sample? 1a)A mixture of sand and salt is found to be 57 percent NaCl by mass. How many moles of NaCl are in 47 g of this mixture? 1b) What is the mass of 4.6*10^23 of ammonia? 1c) A water solution of sulfuric acid has a density of 1.67 g/mL and is 65 percent H2SO4 by mass....
Part A How many sulfur molecules are there in 0.570 mol of octasulfur, Sg? Express your...

Part A How many sulfur molecules are there in 0.570 mol of octasulfur, Sg? Express your answer to three significant figures. IVO AEO ? molecules Submit Request Answer Part B How many sulfur atoms are there in 0.570 mol of octasulfur, S8? Express your answer to three significant figures. ΑΣφ ? atoms
How many molecules (not moles) of NH, are produced from 7.83x10-4 g of H, ? Aluminum...

How many molecules (not moles) of NH, are produced from 7.83x10-4 g of H, ? Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) +3C12 (9)+2A1CI, () What is the maximum mass of aluminum chloride that can be formed when reacting 10.0 g of aluminum with 15.0 g of chlorine? LA TJ9) 091) What is the maximum mass of aluminum chloride that can be formed when reacting 100 g of aluminum with 15.0 g of...

A. For the reaction 2KClO3(s) ? 2KCl(s) + 3O2(g) calculate how many grams of oxygen form...

A. For the reaction 2KClO3(s) ? 2KCl(s) + 3O2(g) calculate how many grams of oxygen form when 83.6 kg KClO3 completely reacts. Express your answers, separated by commas, in grams to three significant figures. B. For the reaction 2KClO3(s) ? 2KCl(s) + 3O2(g)calculate how many grams of oxygen form when 22.5 mg KClO3 completely reacts. Express your answers, separated by commas, in grams to three significant figures. A. What is the molar mass of butane, C4H10? Express your answer to...
1) How many molecules (not moles) of NH3 are produced from 3.66×10−4 g of H2? Express...

1) How many molecules (not moles) of NH3 are produced from 3.66×10−4 g of H2? Express your answer numerically as the number of molecules. * At least 27 μg of tetrahydrocannabinol (THC), the active ingredient in marijuana, is required to produce intoxication. The molecular formula of THC is C21H30O2. You may want to reference (Pages 93 - 98) Section 3.4 while completing this problem. 2) How many moles of THC does this 27 μg represent? Express your answer using two...
ercise 4.78 - Enhanced- with Feedback Part B How many molecules (or formula units) are in...

ercise 4.78 - Enhanced- with Feedback Part B How many molecules (or formula units) are in each Sample? 5401 kg NaHCO, Express your answer using four significant figures formula units NaHCO

1) How many grams are in 3.80 mol of sodium chloride (NaCl)? Express your answer numerically...

1) How many grams are in 3.80 mol of sodium chloride (NaCl)? Express your answer numerically in grams. 2) How many water molecules are in a block of ice containing 2.25 mol of water (H2O)? Express the number of molecules numerically. 3) Calculate the mass of water produced when 2.98 g of butane reacts with excess oxygen. Express your answer to three significant figures and include the appropriate units. 4) Calculate the mass of butane needed to produce 69.9 g...