题目

Online shopping is coming into fashion in most cities, where people are able to make full use of the rapidly-developed internet technology. Nowadays, can we find a person     41    has not experienced online shopping? Definitely not. Online shopping   42  (welcome) by most people due to various reasons. From the perspective of consumer, it can save some time for people who don’t have much spare time. Just click the mouse, they can get    43    they want while staying at home. For the retailers, it can cut some costs for those who don’t have much circulating funds. 将标准状况下4.48LHCl气体，通入足量的硝酸银溶液中，充分反应．试计算（结果精确到0.1）：（1）生成氯化银的物质的量为多少？（2）生成氯化银的质量为多少克？