Evaluate the quotient. 4.81×10^4/7.32×10^9

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A: Significant figures of the answer will be two significant figures as the questions have .

Q: Suppose 0.450 M Mg(OH)₂ is used to titrate the sample instead of NaOH. What is the normality of…

A: Given: Concentration of Mg(OH)2 = 0.450 M

Q: 2. NH, 3. О, O= 3.5 1. MgF, Mg = 1.2 F2 = 4.0 N = 3.0 H, = 2.1 SOLUTION: SOLUTION: SOLUTION: Mg F2 N…

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Q: Define the following terms.  End point

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Q: Make three graphs us

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Q: mosm/L 0.9 gms NaCl + pure water 100 mLs total

A: Mass of NaCl = 0.9g Mass of solution = 100mL Molar mass of NaCl = 58g/mol

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A: Suspensions also show Tyndall effect  that has to be compare.

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A: This problem needs a practical knowledge.  It is a practical thing to separate them.

Q: Determine the percentage solution 1. 0.25 g sodium chloride diluted to 100 mL = %3D

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Q: What types of compounds are NOT applicable to Hinsberg’s test? Give an example.

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A: The solution is given below -

Q: 4. The Ksp for MgCO3 = 1.1 x 101º. CIRCLE the solubility of MgCO3 in pure water. a) 1.1 x 10-10 M b)…

A: Solubility Product Problem  compare it with water then solve it

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Q: based on the conductivity results of pure distilled water, does water exist predominantly as ions or…

A: As per the conductivity results of pure distilled water, it does not conduct electricity.

Q: Define combinatorial chemistry

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Q: Untitled Section N2(g) + 3H2(g) 2NH3(g) + heat 1) Ammonia (NH3) is added. Choose

A: The given equilibrium reaction is  N2(g) + 3 H2(g) ⇄ 2NH3(g)+heat