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单选题

配制0.1mol·L-1NaOH标准溶液,下列配制错误的是

A
将NaOH配制成饱和溶液,贮于聚乙烯塑料瓶中,密封放置至溶液清 亮,取清液 5ml注入1升不含CO2的水中摇匀,贮于无
B
将4.02克 NaOH溶于 1升水中,加热搅拌,贮于磨口瓶中
C
将4克NaOH溶于1升水中,加热搅拌,贮于无色试剂瓶中
D
将2克NaOH溶于500ml水 中,加热搅拌,贮于无色试剂瓶中

答案解析

正确答案:B

解析:

配制0.1mol·L-1NaOH标准溶液,下列配制错误的是 A.将NaOH配制成饱<|endoftext|> The first step in starting a nonprofit organization is to research and identify the mission and purpose of the organization. This includes determining what issue or cause the organization will address and how it will work to achieve its goals. Once the mission and purpose are established, the next step is to create a board of directors. This group of individuals will help guide and oversee the organization's operations and decisions. After the board is formed, the organization will need to create a name and draft its bylaws. The bylaws outline the structure and operation of the organization, including details such as how the board will be elected and how meetings will be conducted. Once the bylaws are in place, the organization will need to file for tax-exempt status with the IRS. This involves submitting Form 1023, Application for Recognition of Exemption Under Section 501(c)(3) of the Internal Revenue Code, along with the appropriate filing fee. Once tax-exempt status is approved, the organization can begin fundraising and carrying out its programs and activities. It will also need to comply with ongoing reporting and record-keeping requirements to maintain its tax-exempt status. Starting a nonprofit organization can be a complex process, but with careful planning and research, it can be a rewarding way to make a positive impact on a cause you are passionate about.

相关知识点:

NaOH标准液配制选A非B

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