In a 4.29E+1 g sample of NaHCO_3, how many grams of sodium are present? Use two decimal places in atomic masses. Only give the numeric value of your answer. Don’t include the units.

What is a property of a double replacement reaction

This drawing shows a human body system. what is the primary function of this body system?

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space