QUESTION 4 MgtOH)2 reacted with dilute hydrochloric acid as following equation. Mg(OH)2(s) + 2HCI{aq)MgCl2(aq) + ZH20(1) Calculate the mass of excess reagent remaining at the end of the reaction when 27.63 ml of 0.5 M HCI were reacted with 500 mg of Mg(OH)2-

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QUESTION 4
Mg(OH)2 reacted with dilute hydrochloric acid as following equation.
Mg(OH)2(s) + 2HCI(aq) -MgCl2(aq) + 2H20(m
Calculate the mass of excess reagent remaining at the end of the reaction when 27.63 mL of 0.5 M HCI
were reacted with 500 mg of Mg(OH)2-
QUESTION S
During titration, the following data were collected. A 50.0 mL portion of an HCI solution was titrated with 0.500 M
NaOH, 200. ml of the base was required to neutralize the sample. How many grams of HCI are present in 89 ml
of this acid solution?
QUESTION 6
Phosphorus pentachloride (PCls) reacts with water to form hydrochloric acid (HCI) and phosphoric
acid (H3PO4). How many total moles of acids are formed when starting with 51.98 g of PCI5 and excess
H2O?
PCIS + 4H20 - SHCI + H3PO4
Transcribed Image Text:QUESTION 4 Mg(OH)2 reacted with dilute hydrochloric acid as following equation. Mg(OH)2(s) + 2HCI(aq) -MgCl2(aq) + 2H20(m Calculate the mass of excess reagent remaining at the end of the reaction when 27.63 mL of 0.5 M HCI were reacted with 500 mg of Mg(OH)2- QUESTION S During titration, the following data were collected. A 50.0 mL portion of an HCI solution was titrated with 0.500 M NaOH, 200. ml of the base was required to neutralize the sample. How many grams of HCI are present in 89 ml of this acid solution? QUESTION 6 Phosphorus pentachloride (PCls) reacts with water to form hydrochloric acid (HCI) and phosphoric acid (H3PO4). How many total moles of acids are formed when starting with 51.98 g of PCI5 and excess H2O? PCIS + 4H20 - SHCI + H3PO4
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