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Draw and label a tetrahedral shape

4 bondsangles are 109.5 degrees

Answered by Mohammed Y. • Chemistry tutor

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Q2. Calculate the pH of the solution formed after 50.0 cm^3 of 0.0108 mol/dm^3 aqueous sodium hydroxide are added to beaker B. Give your answer to 2 decimal places

Acid HA has a Ka of 2.00 x 10-4mol dm-3. A solution was made by adding 15cm3 of 0.34 M NaOH to 25cm3 of 0.45M HA. Calculate the moles and the concentration of A- and HA in this solution. Using the expression for Ka calculate the pH of the solution

Work out the number of electrons, protons and neutrons in Silicon 29 isotope.

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