Choose the correct answer, if you believe there is more than one correct answer only the best one. 1) ) The number of si

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Choose The Correct Answer If You Believe There Is More Than One Correct Answer Only The Best One 1 The Number Of Si 1 (54.39 KiB) Viewed 10 times

Choose the correct answer, if you believe there is more than one correct answer only the best one. 1) ) The number of significant figures in 6.070 x 10* is (A)3 (C) 5 (D) 6 2) Which sample contains the lowest number of molecules? (A) 1,0 g of CH4 (B) 0.5 g of H2O (CULO g of HNO3 0 2.0 g of N204 Olego 3) The result of 1.009544 - 1.0093 is (A) 0.0002 (B) 0.00024 © 0.000244 pyáron 20002440 4) 5 5) 2 The temperature of 77 K in Fahrenheit is (A) -141 -321 (C) -295 (D) 171 What is the mass of 19.0 cm' sample of H2SO4 (density 1.84 g/cm) (A) 49.7 g (B) 15.5 g @ 35.0.g (D) 64.4 g Which SI prefix is incorrect (False)? (A) kilo: 103 (B) centi: 102 (C) micro: 10 mega: How many moles of bromine atoms are there in 9.7 mol CBr2Cl2 @ 4.86 (B) 2.40 10/49:46 (D) 9.72 What is the mass percent of oxygen in (K2SO4)? (A)45.1% 36.7% (C) 32.4% (D) 22.3% 2) 8)