Use the molar mass of Ca3(PO3)2 to calculate the number of formula units in 10.0 g of CP.  Give your actual number.  Use scientific notation with E representing the exponent and no spaces.

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Q: The image below illustrate the complete separation. True or False?

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Q: Q4/Write crystal structure for the following: * ? (1) Ag, (2)Au, (3) Cr, (4) Mg, (5) Zn

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Q: For the next items, refer to the following information on a hypothetical acid, HA. Consider a hypoth...

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Q: Calcium carbonate (limestone) is a very insoluble ionic salt! Answer the following if you add a lew ...

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Q: is In the school laboratory, a usually used as fractionating column. The glass called as beads serve...

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Q: How much energy, in units of J, is required to heat 67.5 g of solid acetone from -145.3°C to -101.0°...

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Q: CH3CH2OH + CuO → CH3CHO + H2O + Cu If there are 1620 g of ethanol and 1020 g of CuO readily availab...

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Q: 8.278 x 10¯4 mol of an unidentified gaseous substance effuses through a tiny hole in 86.9 s Under id...

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Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium hyd...

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Q: QUESTION 26 In hydrophobic interaction chromatography (HIC), which separates proteins based on their...

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Q: Match each mineral with its mineral group. * ulfides Pyroxenes Hydroxides group group group Leucite ...

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Q: How many bottles of a 1.5 liters coke will you need to fill an entire 5.0 gallons empty water jug?

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Q: (2) A solution is 1.0x104 M in NaF, NazS, and Na3PO4. What would be the order of precipitation as a ...

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Q: 14. A student wants to determine the concentration of a AgNO3 solution. 200.0 mL of the AgNO3 soluti...

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Q: Rate constants for the first-order decomposition of acetonedicarboxylic acid CO(CH2COOH)2(aq) → CO(...

A: CO(CH2COOH)2(aq) → CO(CH3)2(aq) + 2 CO2(g) k = 4.75 ×10–4 s–1 at 293 K k = 1.63 ×10–3 at 303 K.

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Q: How much solute (g) is required to prepare 850 mL of a 0.5 M solution of CuSO4 (MW = 159.61 g/mol) s...

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Q: Please explain why the answer you get is correct. Thank you very much for all of your help!

A:   Le-chatelier's principle: When a system is in equilibrium , if it is subjected to stress by applyi...

Q: A solution of oxalic acid is used to titrate 17.11 mL of a 0.5003 molar sodium hydroxide. If the tit...

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Q: What is the pH of a 0.926M solution of acetic acid (Ka=1.8x10^-5)?

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Q: Given: 10 g of o-hydroxybenzoic acid (density: 1.44 g/mL, MW: 138.2) 20 mL wood alcohol (density = 0...

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.