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by Abby Soriano 1J
Thu Oct 03, 2019 6:17 pm
Forum: Molarity, Solutions, Dilutions
Topic: HW #E9
Replies: 3
Views: 48

Re: HW #E9

You have to convert the mass of the salts into moles using the molar mass of its formula (MgSO4 7H20). From there, you can use a conversion factor of 11 moles of oxygen (there are 11 oxygens counted in the formula) / 1 mole of the salt to find your moles of oxygen. Then you can use Avogadro's number...
by Abby Soriano 1J
Thu Oct 03, 2019 6:06 pm
Forum: Limiting Reactant Calculations
Topic: 2 Limiting Reagents
Replies: 5
Views: 63

Re: 2 Limiting Reagents

There is either one limiting reagent or none at all. If two reactants are presented as having the same amount, you still need to look at the molar ratios of the balanced chemical equation to see which one runs out first. There can be times when the reactants come in ratios that perfectly use each ot...
by Abby Soriano 1J
Wed Oct 02, 2019 3:41 pm
Forum: Molarity, Solutions, Dilutions
Topic: Please Clarify L35
Replies: 2
Views: 46

Re: Please Clarify L35

You can convert the tons straight into grams by using a conversion factor of 1.0 x 10^-6 grams/1 ton. From there it's straight forward conversions involving moles and mass!

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