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

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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)

=

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.

=

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.

=

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.

=

 

WITH EXPLANATION PLEASE

NEED IT ASAP......

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