If Na^+ = 1.5M then Na3PO4 will be 1/3 that or 0.05M
Then how many mols do I need? That's M x L = 0.05 x 0.650 L = ?
Finally, mols = grams/molar mass. You know molar mass and mols, solve for grams.
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 650mL of a solution that has a concentration of Na+ ions of 1.50M ? Explain answer with three significant figures and include the appropriate units:)
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