These statistics on the third page is ______ of the economic growth of our country in the
A.noticeable
B.indicative
C.conspicuous
D.implicit
A.noticeable
B.indicative
C.conspicuous
D.implicit
Ca ion-selective electrode and a one-point standard addition. A 10. 00 mL. sample is trans-erred to a 100 mL volumetric flask and diluted to volume. A 50. 00 mL aliquot of sample is placed in a beaker with the Ca ion-selective electrode and a reference electrode,and the potential is measured a s-0.052 90 V. A 1, 00 mL aliquot of a 5. 00X10-2mol·L-1standard solution of Ca2+is added,and a potential of -0.044 17V is measured. What is the concentration of Ca in the sample of sea water?
A、refused
B、declined
C、rejected
D、opposed
A、Always.
B、Often.
C、Hardly ever.
D、Never.
. After I returned to my hometown, I was pleased to find that it had a new look.
|
A、fairness cup
B、sample tea cup
C、tea bowl
D、fragrance-smelling cup
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