Answer:
Explanation:
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In this case, for these types of acid-base neutralizations, it is crucial to firstly set up the chemical reaction taking place between the acid and the base; in this case HCl and Mg(OH)2 respectively, whose products are obtained by switching around the anions and cations as shown below:
Which must be balanced to accurately predict the mole ratio on the reactants side:
Whereas we can see a 2:1 mole ratio of the acid to the base; thus, the moles of Mg(OH) required for the neutralization of 6.0 moles of HCl turn out to be:
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Answer:
0.00079
When you round 0.000789 to 2 significant figures you would get
0.00079
because the zeros are just place holders if they are right after the decimal and don't have other numbers between them
then 789 rounds up to 790, which is 79
Explanation:
Answer:
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