oliviacolaizzi
06.05.2021 •
Mathematics
Simplify: 40 - 24÷ {7 + (7-15)}
please I need this answer ASAP
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Ответ:
64
Step-by-step explanation:
40 - 24 ÷ [7 + (7-15)]
= 40 - 24 ÷ (7 - 8)
= 40 - 24 ÷ (-1)
= 40 + 24
= 64
Ответ:
Balanced Chemical Equation:
Mg + 2HCl --> MgCl2 + H2
Volume of HCl = 10 mL
Molar mass of HCl = 36.46 g/mol
The mass, in grams, of two moles HCl is:
2 moles * 36.46 g/mol = 72.92 grams or 73.0 g (letter D)