Fill in the blanks with the word that best completes each statement. Scientists develop knowledge by making ------------about th
e natural world that may lead to a scientific question. A scientific question may lead to a(n) -------------which can be tested. The results of ------------can lead to changes in scientific knowledge.
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Answer:
Explanation:
1. Calculate the molar mass of Na₂SO₄
The molar mass of Na₂SO₄ is 142 g/mol.
2. Calculate the moles of Na₂SO₄
3. Calculate the mass of Na₂SO₄