下列叙述正确的是(用NA代表阿伏加德罗常数的值) A．2.4 g金属镁变为镁离子
题型：选择题
问题：
下列叙述正确的是(用NA代表阿伏加德罗常数的值)
A．2.4 g金属镁变为镁离子时失去的电子数为0.1NA
B．1 mol HCl气体中的粒子数与0.5 mol/L盐酸中溶质粒子数相等
C．任何条件下，16gCH4与18 g H2O所含有电子数均为10NA
D．22.4 L的CO气体与1 mol N2所含的电子数相等
题型：选择题
SALES CONTRACT
No.: QJ760125
Date: Oct. 10. 2005
The Buyer: Moon River Import ＆ Export Corporation, Busan, Korea
The Seller: JiangSu Hongjing Industrial ＆ Trade Corporation
This contract is made by and between the Seller and the Buyer, whereby the Seller agrees to sell and the Buyer agrees to buy thd under mentioned goods according to the terms and conditions stipulated below: (1)
| Name of Commodity | Quantity | Unit Price | Total Price |
| TV SET 52CM (Dragon Brand) | 100 SETS 1000 CTNS | USD80/SET | USD80,000 |
(3) Port of Loading: LIANYUNGANG PORT, JiangSu. China
(4) Port of Destination: BUSAN PORT, Korea
(5) Shipping Mark: N/M
(6) Date of Shipment: Apr. 2006/By Vessel
(7) Terms of Payment: Letter of Credit (No.: WE570346)
(8) Documents Required: Certificate of Quality issued by CIQ indicating the No. of L/C
The Buyer The Seller
中华人民共和国出入境检验检疫
出境货物报检单
报检单位(加盖公章):江苏宏景工贸公司 编 号______
报检单位登记号:3200600018 联系人:李红 电话:66860088 报检日期:2006年04月02日
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