25℃时,水的离子积是()
A: 1.00×10-14
B: 1.00×10-7
C: 1.00×1014
D: 1.00×107
A: 1.00×10-14
B: 1.00×10-7
C: 1.00×1014
D: 1.00×107
举一反三
- -6.00/+5.00=() A: -11.00 B: -1.00 C: +1.00 D: +11.00
- As of today, the spot exchange rate is €1.00 = $1.60 and the rates of inflation expected to prevail for the next year in the U.S. is 2% and 3% in the euro zone. What is the one-year forward rate that should prevail? ( ) A: €1.00 = $1.6157 B: €1.6157 = $1.00 C: €1.00 = $1.5845 D: $1.00 × 1.03 = €1.60 × 1.02
- 角膜曲率仪测定的水平径线为8.0mm,垂直径线为7.8mm,则散光为()。 A: —1.00*180 B: —1.00*90 C: +1.00*90 D: +1.00*180
- 必然事件的概率值是() A: -1.00 B: 0.00 C: 1.00 D: 10.00
- 欲配制1.00 L 1.00 mol·L-1的NaCl溶液,可将58.5 g NaCl溶于1.00 L水中