In order to convert from molecules of a substance to moles of a substance, what number would you need to use? For a), would you multiply or divide by this number in order to convert from molecules to moles?

Q: don’t understand the first part of the question with the: “You need 2 moles of magnesium…” How do I…

A:

Q: What coefficients would you need to balance the following equation, just put the coefficients in the…

A: • The given unbalanced chemical equation is,            Mg + HCl → MgCl2 + H2

Q: Consider a sample containing 0.330 mol of a substance. How many atoms are in the sample if the…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: For the following reaction, 0.126 moles of iron are mixed with 0.429 moles of oxygen gas. iron(s) +…

A:

Q: 7 Calculate the number of moles of OCI?

A: 1

Q: A classic chemistry class demonstration is the burning of magnesium ribbon with a Bunsen burner. In…

A: Given : The two reactions taking place are, 1) Methane gas burning i.e reaction of methane gas…

Q: The theoretical yield of aluminum is 1.16 moles. If only 1.03 moles of aluminum were collected, what…

A: Given, Theoretical yield = 1.16 moles Actual yield = 1.03 moles % yield = ?

Q: Percent yields are generally calculated from masses. Would the result be the same if amounts (mol)…

A: Yes, same result will be obtained. Formula: Percent yield = actual mass of product…

Q: What piece of information is needed to convert of a compound to moles of the same compound?   What…

A: Mass of a compound can be converted to number of moles using the given formula.

Q: a. How many moles? b. Weight how much? c. Contains how many molecules?

A:

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 grams are in 5.32 x 1022 molecules of CO. ?

A: The amount of 5.32x1022 molecules of CO2 is to be calculated.

Q: Sulfur (S8), combines with oxygen (O2) at elevated temperatures to form sulfur dioxide. How many…

A: A question based on molecules that is to be accomplished.

Q: A compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When…

A: Given mass of carbon dioxide = 0.711 g Molar mass of carbon dioxide = 44 g/mol Number of moles of…

Q: Solid potassium chloride and oxygen gas are products of heated solid potassium chlorate. How many…

A: Given: Moles of potassium chlorate= 0.083 mol Moles of oxygen= ? In order to calculate the moles of…

Q: Q/Choose between parentheses 1- moles of substance contain ..... particles * (Non of these/18.066…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Glucose, when allowed to react with oxygen will produce carbon dioxide gas and water. If 1.20 moles…

A: The reaction of glucose in presence of oxygen to produce carbon dioxide and water is an example of…

Q: The subscripts in a chemical formula give relationshipsbetween moles of the constituent elements and…

A: Given statement: "The subscripts in a chemical formula give relationships between moles of the…

Q: Given the unbalanced equation CO2 + H2→ CH4 + H2O (a) How many moles of water can be produced from…

A: Stoichiometric coefficient of a reaction represents the number of moles of reactants and products.

Q: STARTING AMOUNT

A: 8.43 * E23

Q: when a chemical reaction occurs, the total mass of the substances involved in the reaction does not…

A: According to the law of conservation of mass, matter can neither be created nor destroyed.…

Q: Why must a chemical equation be balanced before youcan determine mole ratios?

A: In a balanced chemical equation stoichiometric coefficients of reactants and products are known.…

Q: What experimental information do you need in order tocalculate both the theoretical and the percent…

A: To calculate the theoretical yield of any chemical reaction, we need to know the quantity of one of…

Q: Aluminium has a density of 2.70 g/cm. How many moles of aluminum are in a 13.2 cm block of the metal…

A: 2.7g/cm3x13.2cm3x 1 mol27 g=1.32 mol

Q: For the following reaction, 0.214 moles ofphosphorus () are mixed with 0.402 moles of chlorine gas.…

A: Given that, moles of P=0.214 mol  moles of Cl2= 0.402 mol  then,

Q: Consider the following reaction for Pentane (C5H12): C5H12 + 8O2 --> 5CO2 + 6H2O If 2.5 moles of…

A: On reaction completion, one of the reactants is always left unconsumed, while the other is totally…

Q: According to the following reaction: 2AGNO3 (aq) + Cu (s) → Cu(NO3)2 (aq) + 2Ag (s) What would you…

A: Complete solution is given below in next step

Q: (f) A certain pure compound containing element E is analyzed. The elemental composition of the…

A:

Q: What is the amount, in moles, of each of the following substances?

A: Moles of the substance can be calculated by using the formula given below as; Moles = Given…

Q: A sample of ammonium phosphite, (NH4)3PO3, contains 0.165 mol of oxygen atoms. The number of moles…

A: Since we know that  Ammonium Phosphite having chemical formula =( NH4)3PO3   So it contains  1.0 mol…

Q: using the balanced equation NaCl ----> Na + Cl2. Find the following, moles of chlorine: moles of…

A: Balanced Chemical reaction is given by, 2NaCl → 2Na + Cl2

Q: finding the number of moles of Zn(OH), produced i

A: To find the correct set up we need to correlate  Zn and Zn(OH)2 in terms of moles

Q: What are the two conversion factors (mole ratios) that can be used for converting between moles of…

A: 6Li(s) + N2(g) ------> 2Li3N(s)  6 moles of Li reacting with 1 mole of N2 produces 2 moles of…

Q: According to the following reaction: 4HCl (aq) + O2 (g)  2H2O (l) + 2Cl2 (g) What would you…

A: The given balanced equation is : 4HCl(aq)  +  O2(g)  →  2H2O(l)  +  2Cl2(g)

Q: 88 The illustration to the left represents a mixture of nitrogen (blue) and oxygen (red) molecules.…

A: we need to fill the boxes, using the given illustration and the balanced equation

Q: A substance has a molar mass of 133.4 g/mol.  What is the mass of a sample that contains 0.0709…

A: Anything which is in the number of 6.022×1023 ( Avogadro's number ) is called one mole. For example…

Q: Which of the following is a valid conversion factor to use when converting between atoms and moles?

A:

Q: Methanol can be used to prevent certain liquids from freezing in cold weather. Methanol is produced…

A: Given: Reaction of 3 molecules of CO with 6 molecules of H2 produces some amount of methanol.

Q: Determine the grams and 0.454 gramscarbon = 0.02838 molescarbon

A: Given : Mass of CO2 =0.944g

Q: According to the following reaction, how many moles of hydrogen gas will be formed upon the complete…

A: Balanced equation is                                                        H2O(l)          -->…

Q: (a) what is Avogadro’s number, and how is it related to the mole? (b) What is the relationship…

A: We have to show the correlation between  Avogadro’s number and number of moles. Also we have to show…

Q: According to the following reaction, how many moles of bromine monochloride will be formed upon the…

A: Given: Mass of Br2 = 32.8 g Molar mass of Br2 = 159.808 g/mol

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

A:

Q: How many molecules (not moles) of NH3 are produced from 6.21x10g of H2 ? Express your answer…

A: Given Mass of H2 = 6.21 x 10-4 g moles of H2 = mass of H2molar mass of H2 = 6.21 x 10-42 = 3.105 x…

Q: Most of the industrial ammonia today is produced via the Haber Process. The Chemical reaction is one…

A: Given:Moles of ammonia produced  = 20Moles of diatomic Nitrogen is to be calculated.Chemical…

Q: How many molecules (not moles) of NH3 are produced from 7.43×10-4 g of H2? Express your answer…

A:

Q: you only have the chemical equation, what information do you have? In order to convert between grams…

A: A chemical equation tells about the stoichiometric ratio between the reactants and products.

Q: How many molecules of ammonia

A: N2 +3 H2----------->2NH3 1 MOLECULE OF NITROGEN AND 3 MOLECULES OF HYDROGEN PRODUCE  2 NH3…