Math6-ANS

# Math6-ANS - Math Review& Problem-Solving 6 V 3.3...

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Unformatted text preview: Math Review & Problem-Solving 6 ' V) 3.3 SIGNIFICANT DIGITS: Carry out the following calculations and report to the correct number of signiﬁcant digits. ( I nc‘ g W | 3 _ 3 _ a» 1) 80cm+13.0cm— C'M 5) 0.7600mm /0.0152mm— 5’0‘ 0 MM -9 -7 _ = a. 2) 3.4x10 m +1.27x10 mlr. a; 6) 3 cm x 6 cm 010 gm 1. 39 x10 M 3) 750 g+6774g= 7) (86g+78g)/23510m3= - o ‘ u I I 3 “4934.3 O.(o“18j/cu 4) 1100 cm + 8 cm = 8) 6.000x10'3 m x 0.0020 m = 00 M ‘ g ' ‘ g l i 2 x M l DIMENSIONAL ANALYSIS: Carry out the following conversions and report to the correct number of significant digits. 9) Convert 8.6 gig to dg <3J9 3 [A3 10)C0nvert 9.86x 108 dm2 to km2 a L I, M M 3.89 km 1 1) Convert 13.6 g/mL to we3 3 12) Convert 15.22 g Ba(NO3)2 to formula units. ' 2:. 8 5" a 1519.3. Muq\,_ . ., .m. . . . . . . x 33- 13) Whatx mass 15 equal to 63.2 mmol (millimole) of benzorc acrd, C7H602 ? . 3 S I! l 0 65.174411221115 -* 1000 M _ Nil-'11:) Skyline College Chemistry 210 Laboratory Manual (August 2009 Revision) Page 125 SCIENTIFIC NOTATION Express the following numbers in scientiﬁc Express the following numbers in long form notation with the proper number of significant with the proper number of signiﬁcant digits: digits: 14) 00000552 x 103 16) 3.000 x 103 5,594,0‘9- 3000. 6L 30oE5 r5) 35.882 x 10'6 17) 1.20 x 10'2 3.38%;xw“ 0.0mm) 18)5.00x105 5‘05 000 19) If 5.25 g of silver is added to a graduated cylinder containing 11.2 mL of water, to what level will the water level rise? l I l . 4“ L. l Skyline College Chemistry 210 Laboratory Manual (August 2009 Revision) Page 126 ...
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