A mixture of the gases N2, O2 and He has a total pressure of 747mmHg. If the partial pressure of N2 is 88mmHg and Oz is 362mmHg, what is the partial pressure of He (in mmHg)? Just type your answer in the box without units

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Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.