(d) copper oxide (e) copper dioxide 2· The name of NC13 is: (a) nitrogen(III) ch

Question

(d) copper oxide (e) copper dioxide 2· The name of NC13 is: (a) nitrogen(III) chloride (b) nitrogen chloride (c) nitrogen trichoride (d) nitrogen trichlorate (e) nitrogen trichlorite 3. Identify the proper formula for magnesium hydroxide (a) Mn(OH)2 (b) MnOH (c) Mg(OH)2 (d) MgoH (e) Mg2OH 4. What is the correct formula for sulfuric acid? (a) HS (b) H25 (c) H25O3 (d) HSO4 (e) H2504 5. What volume of 0.200 M NazCOs (mw 106) solution contains 53.0 g of Na COs? Show work here, then select an answer from choices below (b) 0.400 L (c) 0.500 L (d) 1.60L (e) 2.50 L (a) 0.200L

Explanation / Answer

2.

NCl3 is nitrogen trichloride

c. nitrogen trichloride

3.

Mg(OH)2 is magnesium hydroxide

c. Mg(OH)2

4.

H2SO4 is sulphuric acid

e. H2SO4

5.

molarity    = W/G.M.Wt * volume of solution in L
   0.2         = 53/106*volume of solution in L

volume of solution in L   = 53/106*0.2   = 2.5 L

e. 2.50L

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