If 51.75 grams of magnesium metal reacted in excess acid, (match the following questions to the...
If 51.75 grams of magnesium metal reacted in excess acid, (match the following questions to the correct responses)
a) how many grams of hydrogen gas are produced?
b) how many grams of acid actually reacted?
NOTE: EE = E = EXP = 10x = 10^
Group of answer choices
1. correct formula for magnesium chloride
[ Choose ] 1.07EE00 moles 155 grams MgCl2 2 Mg(s) and 1 HCl(aq) ----> 1 Mg2Cl(aq) and1 H(g) Mg2Cl 36.5 amu HCl 4.26 grams 2.13EE00 moles 72 amu 1 Mg(s) and 2 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) MgCl 1 Mg(s) and 1 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) 77.5 grams 1 Mg(s) and 1 HCl(aq) ----> 2 MgCl2(aq) and1 H2(g) 4.26EE00 moles 2.13 grams
2. correct molar coefficients in the balance reation are
[ Choose ] 1.07EE00 moles 155 grams MgCl2 2 Mg(s) and 1 HCl(aq) ----> 1 Mg2Cl(aq) and1 H(g) Mg2Cl 36.5 amu HCl 4.26 grams 2.13EE00 moles 72 amu 1 Mg(s) and 2 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) MgCl 1 Mg(s) and 1 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) 77.5 grams 1 Mg(s) and 1 HCl(aq) ----> 2 MgCl2(aq) and1 H2(g) 4.26EE00 moles 2.13 grams
3. What is the formula weight in amu for HCl?
[ Choose ] 1.07EE00 moles 155 grams MgCl2 2 Mg(s) and 1 HCl(aq) ----> 1 Mg2Cl(aq) and1 H(g) Mg2Cl 36.5 amu HCl 4.26 grams 2.13EE00 moles 72 amu 1 Mg(s) and 2 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) MgCl 1 Mg(s) and 1 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) 77.5 grams 1 Mg(s) and 1 HCl(aq) ----> 2 MgCl2(aq) and1 H2(g) 4.26EE00 moles 2.13 grams
4. How many moles of Mg (s) reacted?
[ Choose ] 1.07EE00 moles 155 grams MgCl2 2 Mg(s) and 1 HCl(aq) ----> 1 Mg2Cl(aq) and1 H(g) Mg2Cl 36.5 amu HCl 4.26 grams 2.13EE00 moles 72 amu 1 Mg(s) and 2 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) MgCl 1 Mg(s) and 1 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) 77.5 grams 1 Mg(s) and 1 HCl(aq) ----> 2 MgCl2(aq) and1 H2(g) 4.26EE00 moles 2.13 grams
5. How many moles of hydrogen gas are produced?
[ Choose ] 1.07EE00 moles 155 grams MgCl2 2 Mg(s) and 1 HCl(aq) ----> 1 Mg2Cl(aq) and1 H(g) Mg2Cl 36.5 amu HCl 4.26 grams 2.13EE00 moles 72 amu 1 Mg(s) and 2 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) MgCl 1 Mg(s) and 1 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) 77.5 grams 1 Mg(s) and 1 HCl(aq) ----> 2 MgCl2(aq) and1 H2(g) 4.26EE00 moles 2.13 grams
6. How many grams of hydrogen gas are produced?
[ Choose ] 1.07EE00 moles 155 grams MgCl2 2 Mg(s) and 1 HCl(aq) ----> 1 Mg2Cl(aq) and1 H(g) Mg2Cl 36.5 amu HCl 4.26 grams 2.13EE00 moles 72 amu 1 Mg(s) and 2 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) MgCl 1 Mg(s) and 1 HCl(aq) ----> 1 MgCl2(aq) and1 H2(g) 77.5 grams 1 Mg(s) and 1 HCl(aq) ----> 2 MgCl2(aq) and1 H2(g) 4.26EE00 moles 2.13 grams
7. How many grams of acid actually reacted?
Homework Answers
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If 51.75 grams of magnesium metal reacted in excess acid, (match
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