Chemistry, 27.12.2021 23:50 tamaliablanchard
A solution of sodium carbonate of concentration 0.100moldm-3 is used to standardize a solution of hydrochloric acid. 25cm3 of the standard solution of sodium carbonate require 35cm3 of the acid for neutralization. Calculate the concentration of the acid.
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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What is the chemical formula for the compound formed between sodium and flour one
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A solution of sodium carbonate of concentration 0.100moldm-3 is used to standardize a solution of hy...
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