Balance the following chemical equation by providing the correct coefficients. [?]Pb(NO3)2 + Na₂CrO4 → PbCrO4 + NaNO3

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Q: 4. Magnesium metal reacts with hydrochloric acid to produce hydrogen gas: Mg + HCI-H₂ + MgCl₂ If…

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Q: Please provide the POINT GROUPS of the following objects and explain why.

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