Hydrogen fluoride is one of the few substances that react with glass (which is made of silicon dioxide, SiO₂). The reaction is as follows: 4 HF(g) + SiO₂ (s) → SiF4 (g) + 2H₂O(1) You may want to reference (Pages 170-173) Section 6.4 while completing this problem. Part A How many moles of HF will react completely with 6.70 mol of SiO₂? undo do reset keyboard shortcuts help Submit ▾ Part B M1,0 = Templates Submit Request Answer What mass of water (in grams) is produced by the reaction of 20.0 g of SiO₂ ? Templates Sym Request Answer mol undo do reset keyboard shortcuts help g

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Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation.   1.) Balance the equation - AlO3(s)+NaOH(l)+HF(g)-->Na3AlF6+H2O(g)   2.)If 16.4 kilograms of Al2O3(s), 60.4 kilograms of NaOH(l), and 60.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?   3.)Which reactants will be in excess, (Al2O3, NaOH, or HF)   4.)What is the total mass of the excess reactants left over after the reaction is complete in KG?

1. (Balance the equation) H,SO+NaOH>H,SO+H,O

Write the chemical formula and indicate the physical state of the products. Example: PbC12 (s) + H2O (I). carbonic acid (aq) + potassium hydroxide (aq) ==>

A Group 2 metal with an electron configuration of [Ne]3s2 combines with fluorine (F2) to produce a compound. In g/mol, what is the molar mass of the product?

What mass (in grams) of oxygen is required to make 27.5 g calcium carbonate

What mass of HF would be produced from 4.6L of f2 gas w

A young man recently passed away from unknown causes. The newly hired forensic officer, Citlali, recalled her time in chemistry as she performed combustion analysis and found the young man had high amounts of a compound containing C, H and O. Combustion of the 9.002 g substance produces 0.450 moles of CO₂, and 0.201 moles of H₂O (Hint Law of conservation). Determine molecular formula of the unknown compound if the molar mass of the compound is between 150 and 210 g/mol.

Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+OX2⟶2MgO   What mass, in grams, of MgO can be produced from 1.72 g of Mg and 2.39 g of O2?