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dookiepookie2010
Guest
Please answer these questions for me...
(13) Given 11.8 G of O gas how many grams of Potassium Oxide are produced?
4k+02->2k20
a. 69.3 (g)
b. 50.1 (g)
c.94.2 (g)
d. 32.0 (g)
(14) For the reaction 2NA+CL2->2NACL, how many grams of sodium chloride can be produced from 500 (g) chlorine?
a. 112
b. 409
c. 319
d. 829
(17) A chemist interested in the efficiency of a chemical reaction would calculate the...
a. mole ratio
b. percent yield
c. energy released
d. rate of reaction
28. how many moles of HCL are present in .70 L of a .33 M HCL solution?
a. .23 mol
b. .38 mol
c. .28 mol
d. .47 mol
29. how many liters of water are needed to make a .171 M solution that contains 1.00 (g) of NaCl?
a. .100 L
b. .171 L
c. 1.00 L
d. .0171 L
PLEASE HELP I HAVE THIS TEST IN THE MORNING AND NEED THIS ANSWERS ASAP YOUR HELP IS EXTREMELY APPRECIATED
(13) Given 11.8 G of O gas how many grams of Potassium Oxide are produced?
4k+02->2k20
a. 69.3 (g)
b. 50.1 (g)
c.94.2 (g)
d. 32.0 (g)
(14) For the reaction 2NA+CL2->2NACL, how many grams of sodium chloride can be produced from 500 (g) chlorine?
a. 112
b. 409
c. 319
d. 829
(17) A chemist interested in the efficiency of a chemical reaction would calculate the...
a. mole ratio
b. percent yield
c. energy released
d. rate of reaction
28. how many moles of HCL are present in .70 L of a .33 M HCL solution?
a. .23 mol
b. .38 mol
c. .28 mol
d. .47 mol
29. how many liters of water are needed to make a .171 M solution that contains 1.00 (g) of NaCl?
a. .100 L
b. .171 L
c. 1.00 L
d. .0171 L
PLEASE HELP I HAVE THIS TEST IN THE MORNING AND NEED THIS ANSWERS ASAP YOUR HELP IS EXTREMELY APPRECIATED