The Safe Drinking Water Quality Standard for nitrate nitrogen (NO3--N) is 10.0 mg/L. Convert this into...

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The Safe Drinking Water Quality Standard for nitrate nitrogen (NO₃^--N) is 10.0 mg/L. Convert this into nitrate (NO₃^-) in ppm, mmol/L, and normality (N). (Given: N=14, O=16)
The highest maximum one-hour ozone (O₃; molecular weight = 48) concentration in Houston during 1999-2001 was 175 ppb. Convert this into mg/m³ at STP. The National Ambient Air Quality Standards for 1-hr O₃ is 155 mg/m³. (Given: mg/m³ = ppm*MW/22.4).

science chemistry

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