Q.2 CaCl₂ is used to melt ice on roads. When 1 mole of CaCl, is dissolved in water, how many moles of particles are produced?

Q: Consider the generic chemical reaction:A + 2 B-> CHow many moles of C are formed upon complete…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall only…

Q: 16. Consider the generic chemical reaction:2 A + 3B ->  3 CHow many moles of B are required to…

A: Given: Moles of the reactant A (n): 6 moles, 2 moles, 7 moles, 11 moles Moles of B are needed to be…

Q: A 7.84 g sample of MgCO3∙xH2O is heated in order to remove all of the water of hydration, after…

A: Answer:A solid compound that has some water molecules in its molecular structure is called as…

Q: Glucose  (C6H12O6)  can be fermented to yield ethanol  (CH3CH2OH)  and carbon dioxide  (CO2).…

A:

Q: For the reaction: CCl4+2HF→CF2Cl2+2HCl How much HF is required to obtain 12.0 g CF2Cl2 assuming…

A: The balanced reaction taking place is given as, => CCl4 + 2 HF -----> CF2Cl2 + 2 HCl  Given :…

Q: 2. Potassium chlorate, KClO3, is obtained by the action of chlorine on a hot potassium hydroxide…

A: The given chemical reaction is,              KOH + Cl2 → KClO3 + KCl + H2O  Chemical reaction is…

Q: 1.1127 g of chromium (II) nitrate was mixed in water with 0.5437 g of sodium phosphate A solid…

A: a) The balanced chemical reaction is, 3Cr(NO3)2(aq) + 2Na3PO4(aq)  --->  Cr3(PO4)2(s) + 6NaNO3

Q: When copper metal is added to silver nitrate in solution, silver metal and copper(II) nitrate are…

A: Formula Used No. of moles = weight /molecular weight

Q: Most vinegar sold in stores is a mixture of 5.0% acetic acid (by mass) and water. What mass of…

A: Given:   The mass percentage of acetic acid is 5.0 %. The mass of acetic acid is 20.0 g.

Q: 4.0 mol Na can form 4.0 mol NaF and 2.5 mol F2 can form 5.0 mol NaF. What mass of NaF forms during…

A:

Q: Write the balanced reaction for the reaction that occurs. b) How many moles of calcium carbonate…

A: This question is based on stoichiometry. This amount of reactant reacted and product produced…

Q: A sample of 0.3220 g of an ionic compound containing the bromide ion (Br−) is dissolved in water and…

A: Calculate the number of moles of AgBr formed. Number of moles = Given massMolar massNumber of moles…

Q: On a spacecraft, the COp the crew exhales is removed from the cabin by a reaction within canisters…

A:

Q: 4) A 11.31 g sample of a competitor's "SonicBloom" fertilizer is analyzed for its phosphorus content…

A: #4(a): Given the mass of fertilizer sample taken = 11.31 g Mass of the P containing precipitate,…

Q: The following equation is not balanced: CaSO4+AlCl3→CaCl2+Al2(SO4) Notice that "SO4" appears in…

A: A balanced equation is one where the number of atoms of each element on either side are same If the…

Q: When chemists work with solid materials, we simply weigh out amounts of solid reagents and calculate…

A: 1) Since moles  = mass / molar mass  Hence moles of  NH4Cl  = mass of  NH4Cl / molar mass of  NH4Cl…

Q: When chemists work with solid materials, we simply weigh out amounts of solid reagents and calculate…

A: 1) Moles of NH4Cl   = mass / molar mass since molar mass of NH4Cl   = 53.5 g/mol Hence moles of…

Q: If 4.50 g of (NH4)2SO4 is dissolved in enough water to form 200. mL of solution, what is the…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: NH3 gas is created by heating solid NH 4Cl and solid Ca(OH)2 together. Meanwhile, CaCl2(s) and water…

A: Given that : 25 gms of both NH4Cl and Ca(OH)2 is heated : Then, Number of moles of…

Q: chemical reaction has the equation: 2A + B C. In which case is B the limiting reactant? (A (B) (A O…

A:

Q: Two substances M and N react to produce P. When reactant M decreases by molar amount 2x, product P…

A: Solution-Two substances M and N react to produce P, everyone coefficients are same, 1st condition -…

Q: A white powder is either barium hydroxide or strontium hydroxide. 7.30 g of it is mixed in 120 mL of…

A: HCl reacts with NaOH in a 1:1 ratio. This means 1 mole of HCl reacts with 1 mole of NaOH. This is…

Q: Molarity is used to measure concentration in chemistry. What are the two units used that make up…

A: -> Molarity is number of moles present in one Litere of solution.                          (or)…

Q: 7. Consider the following reaction: Al(SO4),+ Na,PO, Na,SO, AIPO, If 2 moles of aluminum sulfate are…

A: Since the three different questions are given, we will solve only first question according to the…

Q: 1. ) 70.90 g/mol 26.98 g/mol 133.3 g/mol 2 Clzig) + 3 Al(s) 2 AICI3(s) a. Calculate the theoretical…

A: number of moles = mass/molar mass  mass = moles × molar mass  percent yield = {actual…

Q: The nitrogen in sodium nitrate and in ammonium sulfate is available to plants as fertilizer. Which…

A: The mass percentage of the sodium nitrate, NaNO3 in a fertilizer, %mNaNO3 is 30.0 % and cost of 100…

Q: Pure platinum is too soft to be used in jewelry because it scratches easily. To increase the…

A:

Q: 4. When a solution containing 15.0 g of lead (II) nitrate and a solution containing 15.0 g of…

A: Percentage yield = (Actual mass÷theoretical mass)×100

Q: What is the mass percent of ethanol (CH3CH2OH) if 0.0789 moles of ethanol is added to 0.271 kg of…

A: Given :- number of moles of ethanol = 0.0789 mol  Mass of water = 0.271 kg  To calculate :-  Mass…

Q: When heated, calcium carbonate decomposes according to the equation: CaCO3(s) ---> CaO(s) + CO2(g)…

A: Use formula  Mass = mole×molar mass  Percent mass= mass of elemen×100/mass of sample Mass of sample=…

Q: Lamar measures out 1.697 g of NaCl to add to his pot of boiling water for his pasta. How many moles…

A: Given is mass of NaCl added = 1.697 g molar mass of NaCl = 58.44 g/mol We need to calculate the…

Q: NAHCO, + H,C,H3O, NaC, H3O2 + H,0 + CO2 A mixture of acetic acid (vinegar) and sodium bicarbonate…

A: The balanced reaction is, 1 mole of sodium bicarbonate is reacting with 1 mole of acetic acid…

Q: According to the following reaction: Cl2 (g) + 2NaI (s)  2NaCl (s) + I2 (s) What would you…

A: