Question: please help me with the following problems. they all need to be worked out as well. thank you! Lab Assignment Online Principles of Chemistry Frazee

please help me with the following problems. they all need to be worked out as well. thank you!

Lab Assignment Online Principles of Chemistry Frazee Insinuctions: Answer each of the following quantitative questions fully. Show your work for each calculation to earn full credit and highlight your final answer. Be sure to report your final answer with 4 significant figures. 1. Calculate the formula mass for each compound. Be sure to show your work for each. A. PCl B. C7H2O3 C. MgCO3 D. HiO4

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