The reaction of magnesium with excess hydrochloric acid forms aqueous magnesium chloride and 43.4 mL of hydrogen gas. The HCl is collected over water at 26.0 °C and 725 torr. How many grams of magnesium reacted? At 26.0 °C, water has a vapor pressure of 25.2 torr. Note: 1 atm = 760 torr; R = 0.0821 L.atm/mol.K Sr(s) + 2HCI(aq) - SrCl2(aq) + H2(g) Select one: O a. 0.148 g b. 1.63 x 10° g × O c. 5.14 x 10 g O d. 0.143 g e. 1.64 g

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The reaction of magnesium with excess hydrochloric acid forms aqueous magnesium chloride and 43.4 mL
of hydrogen gas. The HCl is collected over water at 26.0 °C and 725 torr. How many grams of magnesium
reacted? At 26.0 °C, water has a vapor pressure of 25.2 torr. Note: 1 atm = 760 torr; R = 0.0821 L.atm/mol.K
Sr(s) + 2HCI(aq) - SrCl2(aq) + H2(g)
Select one:
a. 0.148 g
b. 1.63 x 103 g x
c. 5.14 x 10-3 g
O d. 0.143 g
O e. 1.64 g
Transcribed Image Text:The reaction of magnesium with excess hydrochloric acid forms aqueous magnesium chloride and 43.4 mL of hydrogen gas. The HCl is collected over water at 26.0 °C and 725 torr. How many grams of magnesium reacted? At 26.0 °C, water has a vapor pressure of 25.2 torr. Note: 1 atm = 760 torr; R = 0.0821 L.atm/mol.K Sr(s) + 2HCI(aq) - SrCl2(aq) + H2(g) Select one: a. 0.148 g b. 1.63 x 103 g x c. 5.14 x 10-3 g O d. 0.143 g O e. 1.64 g
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