Question: question 1 identify the number of significant figures in each...

QUESTION 1

1. Identify the number of significant figures in each measured quantity.

-           a.           b.           c.           d.       614.0 mg          -           a.           b.           c.           d.       1 x 101 L          -           a.           b.           c.           d.       0.0070 mol          -           a.           b.           c.           d.       0.0230 g

a. four b. one c. three d. two

 

QUESTION 2

1. Balance the following equation by entering the appropriate coefficients. Coefficients should be the lowest possible integers. Enter "1" if the coefficient is equal 1:

__Fe(s) + __ Cl₂(g)  →  __ F eCl₃(s)

 

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QUESTION 3

1. Balance the following equation by entering the appropriate coefficients. Coefficients should be the lowest possible integers. Enter "1" if the coefficient is equal to 1:

 __ FeO(s) + __ H₂(g) →  __ Fe(s) + __ H₂O(g)

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QUESTION 4

1. To what volume (in mL) must 70.0 mL of 1.39 mol/L HCl be diluted to produce 0.400 mol/L HCl? Enter the numerical answer in the box without units.

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QUESTION 5

1. How many milliliters of 0.497 mol/L Ba(OH)₂ solution are needed to completely neutralize 33.4 mL of 0.175 mol/L HNO₃ solution? The reaction is
   
   Ba(OH)₂(aq) + 2HNO₃(aq) →  Ba(NO₃)₂(aq) + 2H₂O(l)

Enter the numerical answer in the box without units.

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QUESTION 6

1. What is the maximum amount (in grams) of sulfur dioxide that can be produced by the reaction of 1390 g of dihydrogen sulfide with 5180 g of oxygen according to the balanced equation below? 
   
   2 H₂S(g) + 3 O₂(g)  →  2 H₂O(g) + 2 SO₂(g) 

Enter the numeric value in the box without units.

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WITH EXPLANATION PLEASE

NEED IT ASAP......